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         Passenger liner: ship used to transport 
          passengers. 
          Stern: rear part of a ship. 
          Terrace: flat, open air area. 
          Life boat: small boat used in emergencies. 
          Stack: device used for expelling smoke. 
          Radar: apparatus that detects objects through the use of microwaves. 
          Masthead light: light at the top of the mast. 
          The bridge: raised platform from which a boat is commanded. 
          Prow: front part of a boat. 
          Anchor: steel or iron hook, attached to the ship by a chain, 
          that holds the ship in place by hooking it to the bottom of a body of 
          water. 
          Hawsehole: opening in the front of the ship for cables and chains. 
          Bulwark: protective rim of the upper deck. 
          Airshaft: sheet metal conduit used to ventilate the hold and 
          between-decks. 
          Porthole: small, round, thick, watertight window of a boat. 
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