燃やす
arc
construction
craftsman
electrode
equipment
factory
fire
fireworks
flash
gas
gloves
glow
helmet
hold
hot
indoors
industrial
industry
iron
light
maintenance
man
manufacturing
mask
metal
metalwork
no face
occupation
people
plant
production
profession
protection
repair
safety
sitting
smoke
spark
steel
technical
tool
torch
weld
welder
welding
work
worker
working
workshop