英文關鍵字
action
amputate
blade
block
blue
break
breaker
collar
construction
cut
cute
cutoff
cutter
danger
dangerous
device
electrical
electricity
engineering
equipment
fragment
granite
grinder
handheld
handle
implement
instrument
job
machine
machinery
noise
occupation
out
pave
people
power
rotation
saw
section
segment
sharp
shear
sheeter
site
slice
slicer
stone
tool
turn
work
worker