| 摘要 |
PURPOSE:To reduce labor for treatment of waste paper and prevent corporate confidential from leakage by furnishing a shredder in each room of an office building, and by connecting the shredder with a pneumatic transport pipe of a pneumatic transport device. CONSTITUTION:Paper strips produced by cutting with each shredder 1 are carried out to a pit 4 upon passing through a pneumatic transport pipe 3 through the action of transport air generated by a pneumatic transport device. This constitution reduces labor for treatment of paper waste and prevents corporate confidential from leakage.
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