Close-up van volwassen arbeider handen draaien stop-gate ventiel - Stockfoto’s en -afbeeldingen

Hands close-up of senior manual worker turning cut-off valve at plant

Man holding red valves in technical room with water supply pipes

Mature Caucasian worker in a hardhat at the factory with the pipe valve

Senior manual worker turning huge valve gate at factory

Mature manual worker turning stop-gate valve at factory

Caucasian mature worker with fitting valve against blue sky

Senior Caucasian man in a working uniform with pipe valve. Looking fare away

Mature Caucasian worker in a hardhat at the factory with the pipe valve

Manual worker turning big valve in industrial plant

Senior worker standing on waste water treatment unit on industrial plant

Mature manual worker turning huge valve gate at factory

Mature manual worker turning cut-off valve at factory

Manual worker turning big valve in industrial plant

Caucasian senior manual worker in blue uniform and orange hardhat on altitude

Caucasian senior worker man turning the power switch in an industrial plant

Mature man manual worker in white hardhat near sewage treatment basin

Portrait of an elderly Caucasian man working in a construction helmet

Mature man manual worker in white hardhat near sewage treatment basin

Mature man manual worker in white hardhat in roof against industrial chimney