機器
activity
background
black
blue
build
building
cable
cargo
clipart
cloud
construction
crane
engineering
equipment
hang
heavy
high
hoist
hold
hook
industrial
industry
iron
isolated
large
lift
machinery
metal
object
old
outdoor
part
power
pulley
rope
site
sky
sling
steel
strength
strong
technology
tool
up
weight
white
wire
work