機器
angle
arm
backhoe
bucket
build
cast
clay
construction
dig
dirt
durable
elevation
engineering
equipment
ferrous
heap
heat
heavy
hydraulic
industry
iron
lacing
materials
mechanical
metal
mining
mountings
muck
mud
plate
power
reinforcement
river
riverside
rust
sheet
shield
site
soil
steel
stuff
technology
tractor
watercourse
waterway
work