arc
asian
closeup
construction
danger
duty
equipment
factory
fire
heavy
hot
industrial
industry
iron
ironworks
job
labor
laborer
laboring
light
man
manual
manufacture
manufacturing
mask
metal
metalwork
protection
protective
repair
risk
safety
safety first
skill
skilled
smoke
spark
steel
structure
technical
tool
uniforms
wearing
weld
welder
welding
work
worker
working
workplace
定額
Asian workers wearing safety first uniforms and Welded Iron Mask at Steel welding plants, industrial safety first concept.の素材 [FY310154371844]
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