英文關鍵字
action
angle
background
bench
boilersuit
bright
building
busy
color
construction
cutting
detail
details
factory
fencing
glove
grind
grinder
grinding
hand
hands
hard
heat
indoors
locksmith
machine
making
man
manual
mechanic
metal
metalworker
overalls
palisade
people
person
polishing
power
protective
sampling
steel
tool
turning
work
worker
working
workshop
yellow