英文關鍵字
blacksmith
blade
bluecollarmay18
bright
closeup
craft
device
emery
employee
equipment
fabric
form
grinder
hand
handmade
heavy
industrial
industry
instrument
iron
knife
labor
lathe
machine
male
man
manufacturing
master
metal
power
precision
process
production
professional
sandpaper
sharpener
sharpening
skill
spark
sparkling
steel
stone
strength
tool
utility
work
workshop