arc
assembly
closeup
construction
engineering
equipment
fabricate
factory
fire
flame
flash
gas
gloves
heat
helmet
industrial
industry
industry security
iron
ironworker
job
labor
light
manual
manufacture
manufacturing
mask
metal
metalwork
production
protection
repair
safety
skill
skilled
smoke
spark
steel
structure
technical
technology
tool
trained
weld
welder
welding
welding sparks
work
worker
workplace
定額
Iron welding close-up, sparks do not wear gloves. Welding sparks and fumes It can be dangerous to health. Welding of steel light-colored like fireworks.の素材 [FY310182966839]
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