英文關鍵字
worker
contractor
laborer
builder
workman
man
handyman
specialist
screed
screeding
smoothing
flooring
troweling
shoveling
grinding
concrete
cement
sand
work
job
finishing
semidry
installation
machine
shovel
equipment
trowel
level
tool
instrument
material
section
construction
floor
building
roof
apartment
residential
outdoors
technology