機器
auger
background
bit
build
builder
business
chuck
closeup
construction
cut
drill
drilling
electric
engineering
equipment
factory
gear
hand
hardware
hole
industrial
industry
instrument
iron
isolated
machinery
macro
man
manufacture
manufacturing
metal
metalwork
object
perforate
plant
power
repair
rotate
screw
screwdriver
sharp
steel
strength
technology
tool
torque
work
worker
workshop