Workers bend metal in a pipe bender.
Palabras clave
machine,
material,
industrial,
technology,
bender,
construction,
industry,
rod,
steel,
tool,
engineering,
equipment,
metal,
men at work,
pipe,
machinery,
plant,
factory,
production,
iron,
hand,
man,
job,
manufacture,
work,
safety,
bar,
building,
occupation,
power
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