英文關鍵字
action
base
building
casting
cement
cementing
closeup
coat
concrete
construction
contractor
copy
craftsman
dissemination
equalizes
equipment
fill
flat
floor
flowing
fresh
gray
ground
hand
house
industry
level
man
manual
mason
masonry
material
metal
mortar
object
professional
renovation
repair
screed
site
slab
smooth
space
spreading
team
tool
wall
wet
work
worker