英文關鍵字
application
architecture
bar
base
blend
boots
broom
build
building
cast
casting
cement
cementing
chunky
concrete
concreting
construction
contractor
corrosion
craftsman
crane
dissemination
ditch
dump
engineering
fill
filling
finishing
fittings
floor
flow
flowing
footing
form
foundation
frame
fresh
glider
gravel
grids
ground
hanged
heap
heavy
hose
house
industrial
industry
infrastructure