Iingcango ezinzima ezikhawulezayo zinemisebenzi ethile yokulwa nobusela, kodwa iqondo elithile lixhomekeke kwizinto eziphathekayo, ukwakhiwa kwesakhiwo kunye nokucwangciswa kokhuseleko lomnyango. Okokuqala, iingcango eziqinileyo ezikhawulezayo zihlala zenziwe ngezinto eziqinileyo zetsimbi, ezifana ne-aluminium alloy, intsimbi engatyiwa, njl., ezine ...
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