英文關鍵字
architecture
backhoe
bucket
building
bulldozer
city
construction
crusher
danger
demolish
demolition
destroy
development
dismantling
dust
equipment
house
hurricane
hydraulic
industrial
machine
machinery
material
old
rebuilding
recycling
removal
remove
rubble
ruin
site
steel
stone
structure
trash
urban
wall
waste
work
wreck