英文關鍵字
base
block
bounce
business
closeup
coil
collon
compacted
congestion
curve
elastic
factory
frame
green
indoors
industry
iron
loading
manned
manufacture
material
mattress
metallic
modern
movement
object
pile
plant
production
products
provisions
resource
shelf
shelves
soft
spring
springy
steel
store
supply
warehouse
white
work