機器
alloy
auger
background
bit
black
bore
boring
build
builder
chuck
collection
concept
construct
construction
cut
cutting
drill
drill bits
driller
drilling
engineering
equipment
grunge
hard
hole
imperial
improvement
industrial
industrial drill
industry
isolated
machining
material
metal
monochrome
object
organized
power
set
sharp
size
spiral
stainless
steel
technology
tool
used
work