英文關鍵字
action
build
building
construction
equipment
forest
frame
freeway
highway
industrial
industry
labor
landscape
largescale
logging
maintenance
motorway
nature
outdoor
overpass
project
rebar
reconstruction
renovation
repair
road
shadow
site
soil
summer
sun
surface
tape
team
teamwork
technique
tourism
traffic
transport
transportation
travel
tree
trees
vehicle
walk
walkway
work
working