機器
backhoe
breaking
brick
broken
build
builder
building
bulldozer
cleanup
construction
construction site
crush
debris
demolish
demolished
demolition
destroy
destruction
dig
dismantling
dozer
dust
equipment
excavator
hammer
heap
house
industry
loader
machinery
obsolete
old
power
rebuild
rebuilding
rehabilitation
removal
renewal
renovating
renovation
ruin
scoop
shatter
site
structure
tractor
urban
wall
work