aerial

airwaves

anchor

antenna

antennae

boat

cargo

china

chinese

commerce

communication

deck

dock

equipment

flag

frigate

galleon

gsm

helmsman

marina

mast

microwave

mobile

national

passenger

plank

pylon

radar

radio

receiver

rudder

sailboat

satelite

satellite

ship

ships

signal

sky

station

tanker

tech

technology

telephone

topgallant

tower

transmitter

vessel

wave

wireless

yacht

yachting