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Russian ships in the port of Sevastopol against the background of the gray sky. Republic of Crimea, October 4, 2010
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Electrical engineer tests the operation of the electric control cabinet on a regular basis for maintenance.
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electrician with screwdriver tighten up switching electric actuator equipment in fuse box
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Electrical engineers test electrical installations and wiring on protective relays, measuring them with a multimeter.
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Istanbul, Turkey - April 26, 2015: HMAS Anzac (FFH 150) war ship in Istanbul port.
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Plant scientists working at plant pathology laboratory where fungal, bacterial and viral pathogens are identified and studied using various methodologies. Research of micro organism is made the cellular level.
The electrician works at home, the electrician assembles the elements of the electrical installation of the house
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electrician repair electric of elevator them check safety line.
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Free Images: "bestof:Navy 090127-N-2562S-005 Interior Communications Electrician 3rd Class Erica Tapia assists in sorting mail during a mail working party aboard the aircraft"
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