철강 공장에서 노동자와 수동 작업 용접 마스크,기구, 장비, 도구 및 기계 금속에를 사용하여
금속 캐비닛에 분쇄기를 사용하여 금속 상점에서 근무
목수 원형 톱 블레이드를 회전에 보드를 잘라 - 작업자 손을
Manual labour - worker grinding metal detail hamstrung with a circular saw - automobile repairing, close up view
Worker assembling the metal part in the manual
Worker assembling the metal part in the manual with a screwdriver
Cropped close up shot of a professional metalworker cutting metal using manual plasma cutter machine. Heavy industry worker cutting steel manually at the factory profession industry concept.
Close up cropped shot of a professional industry worker cutting metal using manual plasma cutter sparks flying around. Jeavy industry metalworking occupation job factory manufacturing.
Carpenter working with circular blade sawing the wooden piece
Male hands using circular blade sawing the wooden piece
Worker welding steel construction at industrial factory. Heavy industry workman using electric welding equipment at workplace. Metal sparks throwing during metalworking. Steel products manufacturing
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