英文關鍵字
basket
bucket
bulldozer
cargo
carries
carry
construct
crane
dig
dirt
engine
engineering
equipment
excavation
excavator
gravel
haft
heavy
industrial
istanbul
looder
machine
machinery
material
metal
pipe
road
rock
rusty
sand
scoop
soil
subway
technology
tractor
truck
tunnel
turkey
vehicle
ventilation
wheel