Pembuatan Alat Penghancur Dokumen Dengan 4 Mata Pisau

ABSTRACT The buildup of old documents that are no longer used often occurs in offices and campuses. The old document can be sold to a paper collector but not with its contents. Many of the old documents are confidential which before being sold is required to be cut so that the contents are not known. To cut the paper, a document shredder was made with these 4 blades. The tool consists of sever…