機器
auger
background
bit
bits
bore
borer
boring
carpentry
chuck
closeup
construction
cutter
detail
drill
drilling
drills
electric
engineering
equipment
gray
hand
hardware
hole
industrial
industry
instrument
locksmith
macro
metal
metallic
milling
nobody
object
part
power
screw
sharp
small
spiral
steel
technology
tool
tools
twist
wood
work