英文關鍵字
adult
black
cargo
caucasian
communication
dawn
dockyard
hard
helmet
industrial
industry
job
male
man
manager
maritime
mate
navigational
officer
offshore
operations
operator
orange
overall
port
portrait
professional
protection
protective
radio
safety
sea
seaport
security
ship
shipyard
sunrise
talkie
talking
vhf
walkie
work
worker