機器
abstract
arrangment
belt
buckle
buckled
clasp
construction
danger
dirt
dirty
equipment
fasten
fastening
gear
harness
help
industrial
industry
insurance
job
layer
layered
lifesaver
loop
metal
multicolor
nobody
object
old
paint
painted
pile
precaution
protection
rough
safe
safety
secure
security
stack
steel
strap
strong
tight
tighten
tool
transportation
used
wood
work
worn