機器
above
aerial
builder
building
cement
coat
concrete
construction
contractor
development
domestic
equipment
flat
form
fresh
ground
helmet
house
industrial
industry
job
lay
level
liquid
man
mesh
outside
pour
professional
project
rake
safety
screed
service
site
slab
smooth
surface
top
turban
two
unrecognizable
view
wet
work
worker
workman