機器
activity
black
blue
bonding
bucket
building
built
cable
cargo
closeup
construction
crane
development
engineering
equipment
foundation
hanging
heavy
hoist
hook
industrial
industry
iron
load
mechanical
metal
moving
object
part
picking
power
project
pulley
raise
rope
safety
single
site
sky
steel
strength
ton
tool
urban
weight
wire
work
yellow