英文關鍵字
worker
estate
amogn
material
block
cementmixer
one
flat
sity
machinery
floor
house
construction
sound
cranes
cloud
development
building
horizontal
sensibility
heavy
safety
steel
architecture
large
frame
stages
equipment
outdoors
structure
business
pipe
apartment
hoisting
rise
growth
manual
lift
wall
iron
labour
modern
typically
roof
bricklayers