輸出する
boat
bulk
cargo
coal
coastline
commodity
crane
crate
detroit
detroit river
freight
freighter
great lakes
harbor
harbour
import
industrial
international
iron ore
lake
load
logistics
marine
navigate
ocean
payload
port
river
sea
ship
shipment
shipping
tanker
terminal
trade
transport
transportation
unload
vessel
water
waterway
world trade