The shredder consists of a rotating set of blades, a paper comb, and a driving motor. The paper is sent from the edge of the knife, and is divided into many small pieces of paper for the purpose of secrecy. Shredder refers to the shape of the paper when it is processed by a shredder and cut up by a shredder. According to the composition of the shredder, the existing shredder methods are: shredder, granular, segment, foam, strip, filamentous and so on.
Today's shredder, in addition to paper processing, can also cut credit CARDS, CDS, and so on.