China

Sandpaper chinhu chakakosha, uye chinowanzoshandiswa zvakanyanya mumhando dzakasiyana-siyana dzeMold dzakadai sharembozha, mota, uye zvigadzirwa zvematanda. Uyezve, sandiper inoita basa rakakosha mukugadzira maitiro ekuvaka. Sangpaper inowanzo kupatsanurwa muwadapha akaoma, sweka yemvura, uye sponge spaper. Chavo chakajairika ndechekushandiswa kwekusungwa kusungwa kwakasiyana-siyana.
GAP iri pakati pejecha zvimedu zvegungano remvura zvine zvishoma zvishoma zvichienzaniswa newadope dzakaoma, uye marara akagadzirwa nekugeza zvakare idiki. Kana ichishandiswa nemvura, marara achayerera nemvura, uyezve kupinza kweiyo sandpaper application nzvimbo inochengeterwa