worker welding steel as drawing
Palabras clave
welding,
arc,
hot,
technique,
maintenance,
engineering,
repair,
workshop,
safety,
industrial,
fire,
construction,
manufacturing,
industry,
steel,
welder,
metal,
equipment,
spark,
labor,
man,
mask,
tool,
manufacture,
protection,
manual,
light,
iron,
metalwork,
working,
job,
smoke,
skill,
skilled,
flames,
gas,
workplace,
technology,
heavy,
occupation,
structure,
scale,
drawing,
innovation,
invent
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