英文關鍵字
automatic
bare
cables
car
closeup
construction
cracked
cutter
dark
equipment
hand
handle
hands
holding
industry
inside
instrument
machinery
machining
macro
male
man
masterfully
mechanical
process
processing
pull
red
screw
screwing
stainless
steel
strain
surface
tool
turning
two
using
view
work
worker
workshop