Den Ventilator sauber halten - Stockfoto & -bild

Team working on air conditioning unit

Electrician trainees working on radiator

Students learning about air conditioning unit

Apprentice disassembling an appliance

Trainees working on an air conditioning unit

Learning to repair an industrial air conditioning compressor

Students working on air conditioning unit

Woman taking the back off a television set

Young contractor working carefully and seriously at clients office

Young handyman repairing air conditioning system calling for help

Man using a tablet to adjust air conditioning system

Installing an air conditioning unit

Woman worker is carefully inspecting the air conditioning

Man checking airconditioning manual while using it

Senior electrician engineer inspecting circuit breakers

Its time to cleaning and washing maintenance