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36) Head covering, remove a note from stationary ( answer could be a game or pastime or a nautical term)
41)A boiler ( answer could be a gem, mineral or nautical term)
53) An aisle (answer could be a game or pastime or a nautical term)
68)Fresh, aperiodic gathering of people for the purposes of buying & selling ( answer could be a game or pastime or a nautical term)
72)Take a mild explosive noise and include oxygen; adorn (answer could be a gem, mineral or nautical term)

72 looks like POOP DECK

68) might be Newmarket (a card game, i think)

36) capstan?

Well done, Trevor -- and a very popular game around these parts.

53. could be ALLEY (a game) or GANGPLANK.

41) STEAMER?

Thanks everyone for your help