英文關鍵字
architecture
building
cassation
claw
close
collecting
complex
construction
crane
crash
damage
debris
deconstruction
demolish
demolished
demolishing
demolition
destroy
destruction
dismantling
duty
equipment
excavator
extended
exterior
factory
grappling
heavy
hydraulic
increase
industrial
industry
loader
machine
machinery
manipulator
metal
moving
old
outrigger
parts
piled
power
profiles
recycling
ruin
scrap
side
silo
site
stability
steel
structure
system
tank
view
work