燃やす
arc
craftsman
cut
cutting
electrode
equipment
factory
fire
fireworks
flame
gas
gloves
glow
hand
hold
hot
industrial
industry
iron
light
maintenance
man
manufacturing
metal
metalwork
orange
people
person
pipe
plant
production
profession
protection
repair
safety
smoke
spark
sparks
steel
technical
tool
torch
weld
welder
welding
work
worker
working
workshop