Mannelijke werknemer die een fluorescentielamp vervangt - Stockfoto’s en -afbeeldingen

Professional cctv technician on a ladder fitting a cctv

Man changes neon light bulb

Workman marking a spot with pencil to drill a hole

Safety conscious man fitting a fire smoke alarm

Technician installing CCTV camera on ceiling indoors

Fitting a fire alarm to be safe

Male electrician fixing light on the ceiling

Fixing the bulb and work

Man replacing spotlight bulb

Making sure a pipe is tightly sealed

Investigation on the airconditioning

Man fitting new fluorescent bulb

Male electrician repairs the ceiling

Man installing a smoke alarm

Contractor checking security camera and talking on telephone

Attractive young builder is installing lock in door