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によって kalinovsky 4288x2848 px
ストック写真ID: 6023537
Maintenance engineer checking technical data of heating system equipment in a boiler house
Maintenance engineer checking technical data of heating system equipment in a boiler room
Maintenance repairman engineer operating of heating system equipment in a boiler house
Maintenance engineer repairing water pump of heating system equipment in a boiler house
Two worker in blue work clothes in industrial plant
Two men and women in the factory
Technician maintenance repairman engineer inspecting heating system in boiler room
One electrician working on a industrial panel adjusting voltage by toggle switch
Electrician builder engineer inspector checking data of equipment in fuse box
Electrician installing energy saving meter into switch box panel during maintenance
Maintenance repairman engineer of heating system equipment in a boiler house
Industrial heat engineer worker plumber at boiler room installation
Senior adult electrician builder engineer testing equipment in fuse box
Electrician use thermal imaging camera for overheating temperature inspection of electrical equipment
