Gas welding of metal at the construction site.
Palabras clave
man,
technology,
construction,
gas,
welder,
steel,
welding,
industry,
industrial,
factory,
metal,
safety,
tool,
iron,
work,
weld,
job,
men at work,
glove,
repair,
manufacturing,
smoke,
protection,
craftsman,
helmet,
manufacture,
machinery,
machine,
mask,
light
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