A worker grinds metal at a construction site.
Palabras clave
machine,
tool,
technology,
equipment,
metal,
factory,
construction,
protection,
industry,
steel,
iron,
industrial,
grinding,
engineering,
safety,
cutting,
workshop,
work,
grinder,
men at work,
power,
man,
manufacturing,
spark,
production,
light,
manufacture,
mechanic,
manual,
disc
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