Mapaipi esimbi asina simbi anofarirwa zvakanyanya nekuda kwekuramba kwecorrosion, kuita kwepamusoro-tembiricha, uye kushandiswa kwakasiyana-siyana.Nzira yekugadzira inosanganisira matanho akawanda, kubva pakusarudzwa kwezvinhu zvakasvibirira kusvika pakugadzirwa kwechigadzirwa chekupedzisira.Heino mhedziso yeiyo manufacturin ...
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