機器
activity
armature
break
brick
build
building
buildings
bulldozer
business
cement
concrete
construction
demolish
demolishing
demolition
destroy
destruction
dirty
down
dust
equipment
excavator
fall
heavy
home
house
hydraulic
industrial
industry
job
loader
machinery
messy
moving
orange
power
progress
rock
rubble
ruin
site
sky
steel
strength
structure
tear
tool
wall
work