機器
background
build
builder
caucasian
circle
color image
concentration
cutter
danger
disc
electric
energy
expertise
fix
grinder
heat temperature
heavy industry
industrial
labor
laborer
laboring
liquid
machinery
manpower
manual
manual worker
manufacturing
mask
mechanical
pipe tube
pressure
process
profession
propane
protection
repairing
skill
skilled
smoke
thickness
tool
tube
welder
work
worker
working
workplace
定額
Working welder cuts metal and sparks fly. Gas cutting of large diameter pipes with acetylene and oxygen. Industrial metal cutting in oil and gas industry.の素材 [FY310196163385]
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