機器
apparatus
construction
dangerous
electrode
engineering
equipment
fabricate
factory
fire
flash
gas
gloves
heats
helmet
industrial
industry
instrument
iron
job
jobs
labour
man
manual
manufacturing
mask
metal
metalwork
mig
occupation
paces
place
powers
production
protection
repair
safety
skill
skilled
spark
steel
structure
technologies
technology
welder
welding
work
worker
works
定額
A professional welder wearing a welding helmet is doing his job. Welds metal parts with an electrode. There are sparks in the air.の素材 [FY310176913966]
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