Chemistry lab royalty-free stock footage

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Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine
4k00:16Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine
Close-up shot of automated scientific laboratory microscope examining a drop of blood on a prepared sample slide. Seamless loopable animation can be used in education, science or medicine industry
4k00:12Close-up shot of automated scientific laboratory microscope examining a drop of blood on a prepared sample slide. Seamless loopable animation can be used in education, science or medicine industry
Abstract glittering DNA double helix with depth of field. Animation of DNA construction from debrises. Science animation. Genom futuristic footage. Conceptual design of genetics information. 4k UHD
4k00:15Abstract glittering DNA double helix with depth of field. Animation of DNA construction from debrises. Science animation. Genom futuristic footage. Conceptual design of genetics information. 4k UHD
Portrait of smiling female doctor satisfied with her job in a corridor of a hospital. Concept of medicine, technology, health care and people, hospital
4k00:15Portrait of smiling female doctor satisfied with her job in a corridor of a hospital. Concept of medicine, technology, health care and people, hospital
Medical lab worker analyzing blood serum, conducting paternity blood test, DNA
hd00:10Medical lab worker analyzing blood serum, conducting paternity blood test, DNA
Male Scientist analyzing and interacting with a 3D Rotating DNA Molecule Hologram in a Secure High Level Modern Laboratory. Genetic Engineering Research Facility.
4k00:19Male Scientist analyzing and interacting with a 3D Rotating DNA Molecule Hologram in a Secure High Level Modern Laboratory. Genetic Engineering Research Facility.
molecule or atom,Science or medical background,3D
hd00:20molecule or atom,Science or medical background,3D
Laboratory worker scientist laboratory assistant tests chemicals for reactions in flask, interfering with different substances and obtaining a visual reaction. Concept of: Science, Chemistry.
4k00:18Laboratory worker scientist laboratory assistant tests chemicals for reactions in flask, interfering with different substances and obtaining a visual reaction. Concept of: Science, Chemistry.
In the Secure High Level Laboratory Scientists in a Coverall Conducting a Research. Chemist Adjusts Samples in a Petri Dish with Pincers and then Examines Them Under Microscope.RED Cinema Camera
4k00:11In the Secure High Level Laboratory Scientists in a Coverall Conducting a Research. Chemist Adjusts Samples in a Petri Dish with Pincers and then Examines Them Under Microscope.RED Cinema Camera
Team of Research Scientists Working On Computer, with Medical Equipment, Analyzing Blood and Genetic Material Samples with Special Machines in the Modern Laboratory.
4k00:14Team of Research Scientists Working On Computer, with Medical Equipment, Analyzing Blood and Genetic Material Samples with Special Machines in the Modern Laboratory.
Medical Research Scientist Looking under the Microscope in the Laboratory. Neurologist Solving Puzzles of the Mind and Brain. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:10Medical Research Scientist Looking under the Microscope in the Laboratory. Neurologist Solving Puzzles of the Mind and Brain. Shot on RED EPIC-W 8K Helium Cinema Camera.
Close-up of the Hand in Glove Using Micro Pipette while Working with Test Tubes. People in Innovative Pharmaceutical Laboratory with Modern Medical Equipment for Genetics Research.
4k00:12Close-up of the Hand in Glove Using Micro Pipette while Working with Test Tubes. People in Innovative Pharmaceutical Laboratory with Modern Medical Equipment for Genetics Research.
Doctor and nurse discussing the diagnosis of a patient for the future advice for his treatment during walking in a hospital ward. Concept of medicine, technology, health care and people, hospital
4k00:22Doctor and nurse discussing the diagnosis of a patient for the future advice for his treatment during walking in a hospital ward. Concept of medicine, technology, health care and people, hospital
asian scientist team has researching in the laboratory
4k00:15asian scientist team has researching in the laboratory
Water dropper in slow motion. Drop of water falling / high speed camera
hd00:20Water dropper in slow motion. Drop of water falling / high speed camera
Scientist work with plant in test tubes in laboratory. Close up.
hd00:12Scientist work with plant in test tubes in laboratory. Close up.
Team of Medical Research Scientists Work on a New Generation Disease Cure. They use Microscope, Test Tubes, Micropipette and Writing Down Analysis Results. Laboratory Looks Busy, Bright and Modern.
4k00:10Team of Medical Research Scientists Work on a New Generation Disease Cure. They use Microscope, Test Tubes, Micropipette and Writing Down Analysis Results. Laboratory Looks Busy, Bright and Modern.
Female Research Scientist Looks at Biological Samples Under Microscope. She and Her Colleagues Work in a Big Modern Laboratory/ Medical Center. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:10Female Research Scientist Looks at Biological Samples Under Microscope. She and Her Colleagues Work in a Big Modern Laboratory/ Medical Center. Shot on RED EPIC-W 8K Helium Cinema Camera.
Water dropper in slow motion. Drop of water falling / high speed camera
hd00:20Water dropper in slow motion. Drop of water falling / high speed camera
Slow motion macro of micro hi tech dna molecule is analyzed with microscope for biochemistry and dna research in futuristic scientific laboratory.
4k00:10Slow motion macro of micro hi tech dna molecule is analyzed with microscope for biochemistry and dna research in futuristic scientific laboratory.
Elementary School Science Classroom: Enthusiastic Teacher Explains Chemistry to Diverse Group of Children, Little Boy Mixes Chemicals in Beakers. Children Learn with Interest
4k00:14Elementary School Science Classroom: Enthusiastic Teacher Explains Chemistry to Diverse Group of Children, Little Boy Mixes Chemicals in Beakers. Children Learn with Interest
asian scientist team take petri dish in the laboratory
4k00:18asian scientist team take petri dish in the laboratory
Medical hands and syringes are being vaccinated to patients in the laboratory
4k00:32Medical hands and syringes are being vaccinated to patients in the laboratory
Close-up shot of sample slide and microscope with metal lens at laboratory.
4k00:14Close-up shot of sample slide and microscope with metal lens at laboratory.
In a Modern Laboratory Scientist Conducts Experiments by Synthesising Compounds with use of Dropper and Plant in a Test Tube. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:15In a Modern Laboratory Scientist Conducts Experiments by Synthesising Compounds with use of Dropper and Plant in a Test Tube. Shot on RED EPIC-W 8K Helium Cinema Camera.
Female scientist holding ampoule in hand, new medication developing, vaccination
hd00:11Female scientist holding ampoule in hand, new medication developing, vaccination
Close up shot of the scientist studies examining of test sample under the microscope in laboratory.
4k00:11Close up shot of the scientist studies examining of test sample under the microscope in laboratory.
Cloning of Bacteria, beautiful 3d animation with a depth of field. Full HD 1080
hd00:22Cloning of Bacteria, beautiful 3d animation with a depth of field. Full HD 1080
In Laboratory Scientists in Protective Clothes Doing Research, Using Microscope and Entering Data into Personal Computer.
4k00:10In Laboratory Scientists in Protective Clothes Doing Research, Using Microscope and Entering Data into Personal Computer.
In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
4k00:11In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
Senior Female Scientist Works On Computer in a Modern Laboratory. Her Colleagues are Working Beside Her. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:13Senior Female Scientist Works On Computer in a Modern Laboratory. Her Colleagues are Working Beside Her. Shot on RED EPIC-W 8K Helium Cinema Camera.
Close up shot of the scientist studies examining of test sample under the microscope in laboratory.
4k00:30Close up shot of the scientist studies examining of test sample under the microscope in laboratory.
blood test. pipette with drop of blood
hd00:25blood test. pipette with drop of blood
Research team in laboratory, forensics science, medical or students at university or college
4k00:20Research team in laboratory, forensics science, medical or students at university or college
In Laboratory Over the Shoulder View of Scientist in Protective Clothes Doing Research on a Personal Computer. Modern Manufactory Producing Medical Research
4k00:12In Laboratory Over the Shoulder View of Scientist in Protective Clothes Doing Research on a Personal Computer. Modern Manufactory Producing Medical Research
Young Female and Male Scientists Write Formulas on a Whiteboard. They're Solving Scientific Problems in Bright Modern High Tech Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:12Young Female and Male Scientists Write Formulas on a Whiteboard. They're Solving Scientific Problems in Bright Modern High Tech Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
Close up of production of medicines in glassware bottles on automatic lines in a pharmaceutical factory. Shot in 8K. Concept of healthcare, pharmaceutical industry, medicine production
4k00:13Close up of production of medicines in glassware bottles on automatic lines in a pharmaceutical factory. Shot in 8K. Concept of healthcare, pharmaceutical industry, medicine production
Close-up footage of a scientist using a micro pipette in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
4k00:10Close-up footage of a scientist using a micro pipette in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
pure water Swirl in glass, high speed
hd00:12pure water Swirl in glass, high speed
Lab expert adding chemical agent to urine sample in test tube, health check
hd00:15Lab expert adding chemical agent to urine sample in test tube, health check
Optical Microscope in dark backround. Microscope is used for conducting planned, research experiments, educational demonstrations in medical and clinical laboratories.
4k00:13Optical Microscope in dark backround. Microscope is used for conducting planned, research experiments, educational demonstrations in medical and clinical laboratories.
Female chemist pouring cosmetic oil in test liquid, body care production, aroma
hd00:18Female chemist pouring cosmetic oil in test liquid, body care production, aroma
In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
4k00:11In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
In a Modern Laboratory Research Scientist Takes Beaker with Chemicals of the Shelf and Looks into It's Compound Into Microscope. His Colleague Carefully Writes Down Every Step.
4k00:14In a Modern Laboratory Research Scientist Takes Beaker with Chemicals of the Shelf and Looks into It's Compound Into Microscope. His Colleague Carefully Writes Down Every Step.
Timelapse footage of a team of scientists in white coats that are working in a modern laboratory. Shot on RED Cinema Camera in 4K (UHD).
4k00:11Timelapse footage of a team of scientists in white coats that are working in a modern laboratory. Shot on RED Cinema Camera in 4K (UHD).
Close-up shot of sample slide and microscope with metal lens at laboratory.
4k00:12Close-up shot of sample slide and microscope with metal lens at laboratory.
Two young female scientist doing experiments in lab
4k00:16Two young female scientist doing experiments in lab
In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
4k00:10In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
asian biological technology scientist team discuss research in the laboratory
4k00:13asian biological technology scientist team discuss research in the laboratory
Closeup of liquid oil drop from laboratory pipette to the water over white background
hd00:11Closeup of liquid oil drop from laboratory pipette to the water over white background
In a Secure High Level Laboratory Scientists in a Coverall Conducting a Research. Chemist Adjusts Samples in a Petri Dish with Pincers and then Examines Them Under Microscope. RED Cinema Camera.
4k00:12In a Secure High Level Laboratory Scientists in a Coverall Conducting a Research. Chemist Adjusts Samples in a Petri Dish with Pincers and then Examines Them Under Microscope. RED Cinema Camera.
in a laboratory a scientist with a pipette analyzes a colored liquid to extract the dna and molecules in the test tubes concept research biochemistry nature pharmaceutical medicine
hd00:11in a laboratory a scientist with a pipette analyzes a colored liquid to extract the dna and molecules in the test tubes concept research biochemistry nature pharmaceutical medicine
Female medical research scientists adding dropping a colored liquid to petri dish.
4k00:17Female medical research scientists adding dropping a colored liquid to petri dish.
Female and Male Scientists Working on their Computers In Big Modern Laboratory. Various Shelves with Beakers, Chemicals and Different Technical Equipment is Visible.Shot on RED EPIC-W 8K Helium Camera
4k00:12Female and Male Scientists Working on their Computers In Big Modern Laboratory. Various Shelves with Beakers, Chemicals and Different Technical Equipment is Visible.Shot on RED EPIC-W 8K Helium Camera
Lab technician holding pipette and testing blood samples on hospital ward for blood transfusion, hands close up. Closeup of doctor holding test tube of blood. AIDS / HIV Hospital blood test.
4k00:15Lab technician holding pipette and testing blood samples on hospital ward for blood transfusion, hands close up. Closeup of doctor holding test tube of blood. AIDS / HIV Hospital blood test.
Female Medical Research Scientist Looking Through the Microscope Types Acquired Data in the Computer. Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:13Female Medical Research Scientist Looking Through the Microscope Types Acquired Data in the Computer. Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
A hand rotates a block of microscope lenses one of them glows brightly on black background. Bottom view. Macro. Closeup. Shallow depth of field
hd00:29A hand rotates a block of microscope lenses one of them glows brightly on black background. Bottom view. Macro. Closeup. Shallow depth of field
In the Laboratory Researcher / Scientist Wearing Protective Coverall Holds Test Tube with Experimental Medicine and Looks at it.
4k00:08In the Laboratory Researcher / Scientist Wearing Protective Coverall Holds Test Tube with Experimental Medicine and Looks at it.
Abstract glittering DNA double helix with depth of field rotating. Mysterious source science animation. Genom futuristic footage. Conceptual design of genetics information. 4k UHD.
4k00:15Abstract glittering DNA double helix with depth of field rotating. Mysterious source science animation. Genom futuristic footage. Conceptual design of genetics information. 4k UHD.
3D animation molecule structure. Scientific medical background with atoms and molecules. Grey background. Scientific animation for your banner, text. Molecule consists of atoms chemical element
4k00:203D animation molecule structure. Scientific medical background with atoms and molecules. Grey background. Scientific animation for your banner, text. Molecule consists of atoms chemical element
Scientist working with chemical reaction in chemistry lab. Chemical reaction in glass flask. Lab worker doing chemical experiment in laboratory
4k00:25Scientist working with chemical reaction in chemistry lab. Chemical reaction in glass flask. Lab worker doing chemical experiment in laboratory
DNA Polished Double Helix Molecule Spin Strand Structure Futuristic. Float cellular deoxyribonucleic acid construction element for medical science chemistry information motion background.
4k00:20DNA Polished Double Helix Molecule Spin Strand Structure Futuristic. Float cellular deoxyribonucleic acid construction element for medical science chemistry information motion background.
Food Science Biologists Working in Lab Group Examining Plants Seeds Laboratory
4k00:12Food Science Biologists Working in Lab Group Examining Plants Seeds Laboratory
Animation slow moving of molecules or network from glass and crystal. Animation of seamless loop.
hd00:30Animation slow moving of molecules or network from glass and crystal. Animation of seamless loop.
Woman scientist start working with microscope. Microbiologist looking microscope. Microbiology laboratory research. Female scientist looking through microscope in lab. Scientist microscope
4k00:20Woman scientist start working with microscope. Microbiologist looking microscope. Microbiology laboratory research. Female scientist looking through microscope in lab. Scientist microscope
A modern microscope in a sterile, bright laboratory room analyzing cell samples on a petri dish. Groundbreaking scientific research discoveries in microbiology and chemistry leading to inventions.
4k00:13A modern microscope in a sterile, bright laboratory room analyzing cell samples on a petri dish. Groundbreaking scientific research discoveries in microbiology and chemistry leading to inventions.
Researcher Wet Plant Seedling Biological Research Genetic Engineering Laboratory
4k00:29Researcher Wet Plant Seedling Biological Research Genetic Engineering Laboratory
Group of Biochemists Team Work Talking Organic Plants and Seeds in Research Lab
4k00:35Group of Biochemists Team Work Talking Organic Plants and Seeds in Research Lab
African american young male scientist doing some research in the laboratory while looking in the microscope and working at the laptop computer. Close up.
4k00:19African american young male scientist doing some research in the laboratory while looking in the microscope and working at the laptop computer. Close up.
Female Research Scientists Passes Slided to Her Colleague Who Observes Sample under Microscope. They Work in a Big Research Center/ Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:10Female Research Scientists Passes Slided to Her Colleague Who Observes Sample under Microscope. They Work in a Big Research Center/ Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
abstract chemistry, microscope, bacteria, Petri dish, cell, liquid dissolving
hd00:09abstract chemistry, microscope, bacteria, Petri dish, cell, liquid dissolving
Analyzing DNA Structure, genes and genetic disorders, science. DNA Strand molecule close up animation with infographics.
4k00:15Analyzing DNA Structure, genes and genetic disorders, science. DNA Strand molecule close up animation with infographics.
Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine
4k00:16Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine
In a Secure High Level Research Laboratory Scientist in a Coverall Examines Petri Dish Under Microscope. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:13In a Secure High Level Research Laboratory Scientist in a Coverall Examines Petri Dish Under Microscope. Shot on RED EPIC-W 8K Helium Cinema Camera.
Lab worker analyzing meat sample magnifying glass, germs risk, certification
4k00:10Lab worker analyzing meat sample magnifying glass, germs risk, certification
Animation rotation of model molecule from glass and crystal.
hd00:20Animation rotation of model molecule from glass and crystal.
Serious scientist is doing her research
4k00:18Serious scientist is doing her research
Portrait of male scientist is analyzing with a pipette a liquid to extract the DNA and molecules in the test tubes in laboratory.
4k00:19Portrait of male scientist is analyzing with a pipette a liquid to extract the DNA and molecules in the test tubes in laboratory.
Portrait of two smiling scientists wearing protection glasses satisfied with a great results of completed research in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine
4k00:19Portrait of two smiling scientists wearing protection glasses satisfied with a great results of completed research in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine
Doctor and nurse discussing the diagnosis of a patient for the future advice for his treatment during walking in a hospital ward. Concept of medicine, technology, health care and people, hospital
4k00:17Doctor and nurse discussing the diagnosis of a patient for the future advice for his treatment during walking in a hospital ward. Concept of medicine, technology, health care and people, hospital
BiColor DNA chain
4k00:30BiColor DNA chain
Team of scientists are working on a digital touch screen in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
4k00:15Team of scientists are working on a digital touch screen in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
Medical Research Scientists putting Slides in Place and Looking at Samples Under Microscope. She Works in a Bright Modern Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:12Medical Research Scientists putting Slides in Place and Looking at Samples Under Microscope. She Works in a Bright Modern Laboratory. Shot on RED EPIC-W 8K Helium Cinema Camera.
Closeup professional scientist pours clear yellow liquid extracted from oil into lab glass in refinery factory laboratory
4k00:23Closeup professional scientist pours clear yellow liquid extracted from oil into lab glass in refinery factory laboratory
Chemist looking at oil sample in test tube, quality control, monitoring reaction
hd00:16Chemist looking at oil sample in test tube, quality control, monitoring reaction
Life scientist working at a laboratory. Young indian male life scientist looking at samples through microscope.
4k00:21Life scientist working at a laboratory. Young indian male life scientist looking at samples through microscope.
Team of Medical Research Scientists Work on a New Generation Disease Cure. They use Microscope, Test Tubes, Micropipette and Writing Down Analysis Results. Laboratory Looks Busy, Bright and Modern.
4k00:11Team of Medical Research Scientists Work on a New Generation Disease Cure. They use Microscope, Test Tubes, Micropipette and Writing Down Analysis Results. Laboratory Looks Busy, Bright and Modern.
Chemist adding liquid in tube with plant extract, biofuel production, ecology
4k00:19Chemist adding liquid in tube with plant extract, biofuel production, ecology
a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
4k00:07a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine
Team of scientists in white coats are working with a laptop and tablet in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
4k00:11Team of scientists in white coats are working with a laptop and tablet in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
View of a glass test tubes filling with chemical composition in a laboratory. Blue colored chemical in test tube. The clip is loop ready.
4k00:11View of a glass test tubes filling with chemical composition in a laboratory. Blue colored chemical in test tube. The clip is loop ready.
Male and Female Research Scientists Talking, Using Digital Tablet Computer while Working on Genetics Research Project in Innovative Laboratory.
4k00:12Male and Female Research Scientists Talking, Using Digital Tablet Computer while Working on Genetics Research Project in Innovative Laboratory.
A scientist in a laboratory analyzes the soil and the plants inside to collect the plant DNA. Concept: analysis, dna, bio, microbiology, augmented reality, biochemistry, immersive technology
4k00:19A scientist in a laboratory analyzes the soil and the plants inside to collect the plant DNA. Concept: analysis, dna, bio, microbiology, augmented reality, biochemistry, immersive technology
Close-up footage of a scientist adding liquid to test-tubes with a micro pipette in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
4k00:14Close-up footage of a scientist adding liquid to test-tubes with a micro pipette in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
In a Secure High Level Laboratory Scientists in a Coverall Conducting a Research. Biologist Adjusts Samples in a Petri Dish with Pincers and then Examines Them Under Microscope. RED Cinema Camera.
4k00:11In a Secure High Level Laboratory Scientists in a Coverall Conducting a Research. Biologist Adjusts Samples in a Petri Dish with Pincers and then Examines Them Under Microscope. RED Cinema Camera.
In Ultra Modern Electronic Manufacturing Factory Design Engineer in Sterile Coverall Holds Microchip with symbols in futuristic holography. internet security system.
4k00:17In Ultra Modern Electronic Manufacturing Factory Design Engineer in Sterile Coverall Holds Microchip with symbols in futuristic holography. internet security system.
Close-up shot of microscope at laboratory.
4k00:26Close-up shot of microscope at laboratory.
Scientist adds few drops of reagent to mixture with plant, experiments slow-mo
hd00:21Scientist adds few drops of reagent to mixture with plant, experiments slow-mo
Pharmaceutical production line at pharma factory. Pharmaceutical quality control of medical vials. Pharmacy industry concept. Close up of medical ampoules on pharmaceutical manufacturing line
hd00:07Pharmaceutical production line at pharma factory. Pharmaceutical quality control of medical vials. Pharmacy industry concept. Close up of medical ampoules on pharmaceutical manufacturing line
Elementary School Science Classroom: Enthusiastic Teacher Explains Chemistry to Diverse Group of Children, Little Boy Mixes Chemicals in Beakers. Children Learn with Interest
4k00:17Elementary School Science Classroom: Enthusiastic Teacher Explains Chemistry to Diverse Group of Children, Little Boy Mixes Chemicals in Beakers. Children Learn with Interest
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