英文關鍵字
background
blade
blow
circular
construction
contemporary
craft
cut
danger
disc
disk
electric
equipment
factory
fire
flame
glide
glove
gloves
grind
hand
handmade
hands
hold
industry
iron
labor
made
making
man
manufacture
manufacturer
material
metal
person
production
protection
rotate
rust
saw
sharp
slider
smooth
sparks
steely
technical
technology
tools
welding
worker