Macaroni shapes (5)

I believe the answer is:

tubes

(Other definitions for tubes that I've seen before include "Piping" , "Long hollow conduits" , "Hoses, pipes, lines etc" , "Hollow cylindrical shapes" , "Long hollow cylinders" .)

I've seen this clue in the Jonesin', the Universal, the King Feature Syndicate and the Newsday.com.

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