건설 현장에서 바닥에 누워 배관 파이프
배수 시스템 파이프를 보여주는 육체 노동자, 배관공 건설 현장, 새 집과 건물에 엔지니어
새 아파트 건물에 서 청사진과 계획을보고, 건설 현장에서 일하는 엔지니어. 순서
새 아파트 건물에서 엔지니어로 근무하는 젊은 남자가 건설 현장에서 계획을 구축을 찾고. 순서
아파트에 중앙 난방 시스템에서 작업하는 배관공의 영상 ...
People working in construction site. Men at work in new house inside apartment building. Team of workers at work talking with engineer and looking at plans
People working in construction site. Woman at work as architect in new house inside apartment building. Engineer walking on scaffolding and holding project plans
Worker hand fastening hose to unit. Plumber repairing plumbing equipment. Engineer working with hydraulic pressure hose. Man repairing leaking plumbing
Close up of plumber working with pipes. Plumber installing plastic water pipes. Plumbing installation concept.
Person working in construction site with housing project plans. Men at work in new apartment building. Architect or engineer looking at blueprint in new house
Technician working in construction site and checking wires and cables of electric power system near plumbing pipes. Man at work in apartment building, taking picture with camera phone
Carpenter working in construction site and checking water leak problem for mold on pipe. Worried man at work in apartment building. Plumber in new house for home improvement and remodeling
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