Hands adjusting a pipe valve with oil spilling out, industrial background blurred.
Palabras clave
equipment,
metal,
industry,
pipe,
oil,
photo,
hand,
safety,
color image,
valva,
engineering,
horizontal,
machinery,
maintenance,
mechanic,
industrial,
people,
adult,
control,
technician,
technology,
men at work,
engineer,
expertise,
gas,
one person,
working,
energy,
factory,
system,
glove,
repairing,
adults only,
tool,
work,
construction,
one man only,
infrastructure,
labor,
occupation,
operation,
process,
repair,
service,
skill,
workshop,
wrench,
man
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