1. Isizathu sokugqabhuka: iqamza ligqojoziwe, ukuba amanzi aphuma, Lomaleko wepeyinti phantsi okanye emva kokungena kokufuma, emva kokuba ilanga, ukuphuphuma kwamanzi abe ngumphunga, kuya kubeka umphezulu kwi-patent yehlabathi.Indlela: Ukukhetha umpu womoya oshushu ukususa ipeyinti egwetyiweyo yemithi, ukomiswa kwendalo, i...
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