機器
architecture
background
blue
boom
build
business
cable
clear
construct
construction
crane
development
engineering
equipment
erection
high
hoist
hook
hydraulic
industrial
industry
iron
jib
large
lift
lifting
machinery
metal
mobile
nobody
outdoors
port
power
pulley
rope
sea
sky
steel
strength
strong
structure
tall
tool
tower
up
urban
warehouse
wire
work