Isiqoqi sothuli sesikhwama somfutho
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Isikhwama sokuqoqa uthuli lwezikhwama zomfutho esinokusebenza kahle kokuhlanzwa okuphezulu
Izici:
1. Ukusebenza kahle kokuhlanzwa okuphezulu kanye nomthamo omkhulu wokucubungula.
2. Ukusebenza okuzinzile, impilo ende yesikhwama sokuhlunga kanye nokusebenza okulula.
3. Amandla okuhlanza aqinile, ukusebenza kahle kokususa uthuli kanye nokuhlushwa okuphansi kokukhishwa komoya.
4. Ukusetshenziswa kwamandla okuphansi, ukusebenza okuthembekile nokuzinzile.