機器
bar
builder
cement
concrete
construction
contractor
design
draw
engineering
equipment
floor
improvement
industrial
industry
job
level
mason
mortar
motorized
operation
outdoor
pavement
paving
power
prep
prepare
process
ready
rebar
repair
replace
road
safety
screed
sidewalk
site
smooth
structure
surface
technology
tool
trowel
vibrate
vibrating
vibratory
wet
work
worker
workplace