con deffs 241-280

con deffs 241-280 - Marc Pottey Ships construction...

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Ships construction definitions 241-280 241. Longitudinal- A general term meaning fore and aft 242. Longitudinal Construction- construction where structural members run fore and aft 243. L.P.G.- Liquified propane gas 244. Main Deck- deck below the upper most complete deck 245. Main Foundation- structure supports for boilers engines turbines and reduction gears 246. Manhole- A round or oval hole cut in floors, tank tops, decks, tanks, boilers, etc., for the purpose  of providing access 247. Manifold- A casting or chest containing several valves 248. Margin- the space between the edge of a plate and the nearest row of rivets 249. Marigin Angle- angle to put the margin plate at 250. Margin Bracket- A bracket connecting the side frame to the margin plate of a double bottom 251. Margin line- A line drawn parallel to the bulkhead deck at side lines and 76 millimeters (equivalent  to 3 inches) below the upper surface of that deck 252. Marign plate- The plate forming the side of the inner bottom tank 253. Margin strake-
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con deffs 241-280 - Marc Pottey Ships construction...

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