Close-up of a worker's hands adjusting valves on industrial piping.
Palabras clave
men at work,
hand,
industrial,
piping,
manual,
skilled,
labor,
closeup,
technician,
maintenance,
tool,
workwear,
mechanical,
plumbing,
occupation,
craftsmanship,
industry,
sharpened,
job,
fixing,
engineer,
expertise,
blue-collar,
machinery,
adjustment,
control,
precision,
concentration,
metal,
glove,
task,
technical,
action,
grip,
turning,
complex,
machine,
solution,
equipment,
effort,
professional,
tied-up,
safety,
strength
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