Electrical technician installing wiring with junction boxes. Man working on the stepladder in industrial premises
Electrician on stepladder is busy with installing the electrical wiring in industrial premises. Electricity maintenance
Electrical engineer on the stepladder installing or adjusting wiring inside the industrial building
Electrical engineer installing junction box of electrical system. Maintenance works in industrial premises
master is installing electric box, connecting industrial equipment in plant premises, professional electrical engineer is working alone
electrical engineer is working, installing junction box for connecting equipment, master is repairing electrical systems in industrial building
electrical works in industrial premises, electrician is installing junction box on rod in large plant workshop, working at hight
Hand of builder worker mason using jackhammer to drill into construction, Male worker repairing driveway surface digging and drilling concrete to lay electrical wiring
laborer is repairing equipment in plant workshop, professional electrical engineer or locksmith, skilled worker
The worker is preparing wall with jackhammer for installing an electrical box
Industrial worker hands checking electrical device after assembly at factory. Close up engineer testing finished electrical appliances at industrial plant
Close up of worker hand using grinder cutting concrete floor with electric saw to lay electrical wiring, floor repair. dust and sparks