機器
architecture
background
blue
building
business
cargo
close
clouds
construction
crane
cranes
engineering
equipment
factory
girder
hall
hang
heavy
high
hoist
hook
industrial
industry
iron
lift
lifting
load
machinery
manufacturing
metal
mobile
object
old
overhead
plant
rope
safety
sky
steel
strength
strong
structure
tool
transportation
up
weight
work
yellow