英文關鍵字
action
board
building
casting
cement
closeup
coat
concrete
concreting
construction
copy
craftsman
equalizes
equipment
flat
floor
flow
flowing
foundation
fresh
gray
ground
hand
hose
house
industrial
industry
labor
level
man
masonry
material
metal
mortar
object
occupation
people
professional
renovation
repair
screed
site
slab
smooth
space
tool
wading
work
worker
workman