英文關鍵字
activity
adult
asphalt
asphalting
black
builder
building
construction
constructor
engineer
equipment
foreman
handy
highway
hot
industry
lane
loader
machine
man
master
men
patch
patching
patchwork
pavement
paving
people
reconstruction
renewal
repair
road
roller
shovel
street
tar
technology
transportation
uniform
vibration
way
work
worker