機器
big
business
chimney
cloud
commerce
construction
crane
dawn
dock
dockyard
dusk
electricity
engineering
evening
factory
fisherman
gantry
great
harbor
harbour
heavy
huge
industrial
industry
iron
large
lift
man
manufacturing
metal
orange
people
port
repairing
sea
ship
shipbuilding
shipment
shipping
shipyard
silhouette
sky
skyline
steel
sunrise
sunset
water
yellow