young engineer check fire suppression system in control room of factory , daily check job of maintenance technician - machinekamer stockfoto's en -beelden
tutor and student in front of monitors in ship's engine room simulator - machinekamer stockfoto's en -beelden
professionele technische arbeider man werken met de productielijn machine - machinekamer stockfoto's en -beelden
engineer wearing ear defenders making notes in ship's engine room, high angle - machinekamer stockfoto's en -beelden
group of technical worker meeting and planning talking while standing in the place of work site - machinekamer stockfoto's en -beelden
engineer wearing ear defenders crouching under piped in ship's engine room - machinekamer stockfoto's en -beelden