1 : Sieve
This is not about the concept of a 'sieve in mathematics. See sieve of Eratosthenes, sieve method, and general number field sieve.''
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A sieve''' is a device for segregating aggregate based on particle size. Sieves commonly consist of a wire mesh on which the aggregate is placed. The sieve is then shaken, allowing particles smaller than the mesh openings to fall through.
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