英文關鍵字
abstract
backlit
business
closeup
colorful
construction
crane
dramatic
engineering
equipment
facility
factory
gantry
graded
gritty
hang
hanging
heavy
hoist
hoisting
hook
industrial
industry
lifting
line
load
loading
manufacture
manufacturing
metal
overhead
plant
power
production
rope
steel
strength
strong
technology
tons
transport
transportation
weight
work