金属産業
accuracy
bright
build
burning
circle
circular
construction
cut
cutting
disc
disk
equipment
factory
fire
flame
flash
glasses
grinder
hard
heat
heavy
horizontal
industry
iron
job
light
man
manual
manufacturing
mechanic
metal
metalwork
motion
person
power
production
protection
saw
skill
spark
steel
technology
tool
wheel
worker
workshop