英文關鍵字
arm
boom
bucket
build
building
business
cargo
cloud
construction
crane
development
elevator
engineering
equipment
fall
first
heavy
high
hydraulic
icicles
industrial
industry
iron
job
lift
lifting
logistics
machine
machinery
maintenance
metal
moving
outdoor
people
person
platform
safety
service
site
tall
technology
tool
transport
transportation
truck
vehicle
view
white
work
worker
yellow