機器
abrasive
accuracy
background
brightly
craft
cutter
cutting
energy
engineering
equipment
factory
grinder
grinding
grindstone
hand
heat
industrial
industry
isolated
job
knife
light
machining
male
manufacturing
metal
metallurgy
metalurgy
metalwork
mill
occupation
production
service
shoemaker
shop
skill
spangle
spark
sparkle
sparks
steel
technology
tool
turning
wheel
whetstone
white
work
workshop