機器
adjustment
art
artist
construction
correction
craft
cut
cutter
dangerous
detail
diligent
disk
emery
equipment
factory
fire
fog
garage
grinding
hand
handicrafts
human
industry
lathe
manual
master
mastery
metal
pointed
polishing
processing
repair
scintillation
sharp
sharpening
spark
steel
store
technology
tool
trimming
work
worker
workmanship