repairman holding a wrench and tighten and during maintenance work of machine
Palabras clave
wrench,
equipment,
repair,
work,
men at work,
construction,
bolt,
metal,
industry,
industrial,
tool,
screw,
hand,
man,
steel,
tightening,
nut,
joint,
screwing,
spanner,
tighten,
holding,
mechanical,
motor,
electrical,
maintenance,
engineer,
electric,
engineering,
electrician,
inspection,
repairman,
manufacturing,
roller,
chain,
greasy,
machine,
dirty,
oil,
electricity,
engine,
gear,
mechanism,
motion,
mechanic,
job,
skill,
plant,
site
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