英文關鍵字
blacksmith
burn
circle
circular
cut
disc
disk
equipment
fabrication
factory
farrier
flame
flash
garage
grind
grinder
hand
hard
heat
heavy
hot
industry
iron
ironwork
job
making
manufacture
mechanic
metal
metallurgy
metalwork
occupation
part
pipe
production
protection
safety
saw
sawing
site
skill
smithy
spark
steel
tool
work
workplace
workshop