英文關鍵字
agricultural
agriculture
background
belt
building
business
cargo
cereal
construction
conveyor
design
equipment
farm
farming
food
golden
grain
harvest
home
house
industrial
industry
loaded
loading
machine
metal
modern
nature
onto
port
room
sea
ship
silo
steel
tanker
technology
transport
transportation
uploading
wall
warehouse
wheat
white
wooden
work