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Q11323
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Which method is used to determine the periodical sounding at the same point?
Q11324
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What is the reduced level of the sub - marine surface in terms of the adopted datum?
Q11325
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What is L.W.O.S.T ?
Q11326
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What is the name of three armed protractor used for the plotting of sounding ?
Q11327
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What is M.L.W.S ?