英文關鍵字
action
boot
building
burn
burner
closeup
construction
cover
dampcourse
dampproofing
equipment
fire
flame
floor
heat
hook
hot
hydraulic
job
labourer
leg
man
material
melt
motion
movement
pair
prepare
process
roll
roof
roofage
ruberoid
seal
shoes
site
stop
stopwater
surface
two
warm
water
waterproofing
work
worker
workers