Electrical contacts arc suppressors in a switchboard in a control room panel

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A round metal brush, automatic in the hands of a craftsman, removes rust and paint from a car door. Medium plan

A female engineer going to the electrical panel and records the readings of devices in the switchboard

Electrical contacts in the electrical panel in the panel.

A female engineer writes down the readings of electrical appliances in the switchboard

The woman is an electrician and writes down the readings of the instruments in the electrical room

Electrical contacts in the electrical panel in the panel

A female electrical engineer records the readings of electrical appliances in the switchboard

Engineer's hand closes the electrical panel in the hardware