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Black man, portrait and construction worker, arms crossed and maintenance, engineer smile and architecture outdoor. Male contractor, professional renovation and urban infrastructure with handyman
Worker polishing hard floor with high speed polishing machine while other cleaner cleans rhe table in the background
Smiling auto mechanic with wrench standing hands folded on white background
Asian engineer mechanic man checking and using wrench for maintenance pressing metal machine at factory, worker at industrial working
Skilled mechanical technicians tighten, loosen components with screwdriver to perform safety maintenance including corrections and modifications on machines to ensure it remains in standard condition

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