英文關鍵字
build
carrying
cast
casted
casting
cement
circling
concrete
concreting
construction
contractor
craft
deliver
delivery
dirty
equipment
foundation
grungy
heavy
industrial
job
large
lorry
machine
machinery
mix
mixer
mixing
motion
motor
pouring
preparation
rotate
rotation
site
spin
supply
transport
transportation
truck
trucking
truckload
turning
twirl