alloys
angle
arc
assembly
build
craftsman
danger
electrode
equipment
fabrication
factory
fire
glove
hands
heats
helmet
holding
hots
industrial
industry
iron
join
laborer
lights
maintenance
making
man
manufacturing
mask
metal
metallic
metalwork
occupation
portrait
put
safety
shield
skilled
skills
spark
steel
technologies
tool
weld
welder
welders
welding
welds
work
worker
定額
A man welder putting helmet for protect the eyes. Worker wearing a special clothes works as welding machine in his workshop, safety concept.の素材 [FY310193194832]
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