CPC A47G 21/18 (2013.01) [B08B 9/027 (2013.01); E03B 1/04 (2013.01); E03B 11/02 (2013.01); F16L 11/04 (2013.01); A47G 21/186 (2013.01); B08B 11/00 (2013.01)] | 10 Claims |
1. A method of cleaning a drinking straw, the method comprising:
applying an external force to the drinking straw such that internal projections arranged along an inner surface of the drinking straw are brought into engagement with each other and spaces therebetween to thereby loosen and/or remove contaminants from the drinking straw.
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