機器
arc
argon
closeup
construction
craftsman tool
engineering
equipment
face
factory
fire
flame
gas
hot
industrial
industry
iron
job
maintenance
man
manufacture
manufacturing
mask
metal
metalist
metallic
metallurgy
metals
metalware
metalwork
metalworker
production
safety
spark
stainless steel
steel
technical
torch
weld
welder
welderman
welders
welding
welding rod
weldings
work
worker
workplace
workshop
定額
Metal welding steel works using electric arc welding machine to weld steel at factory. Metalwork manufacturing and construction maintenance service by manual skill labor concept.の素材 [FY310154079608]
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