英文關鍵字
accurate
animation
apartment
balance
board
build
contractor
equality
equipment
fix
hand
hands
hardware
industrial
industry
inspection
inspector
instrument
level
line
liquid
maintenance
man
mechanical
metal
outline
pass
plank
renewal
renovation
repair
restore
ruler
safety
stability
straight
technology
timber
tube
unrecognizable
video
water
waterpass
wood
work
worker
workplace