Igreenhouse yelanga ibonakalisiwe ngomlinganiso ophantsi wokuhambisa ubushushu, ukulondolozwa kobushushu obulungileyo, ubunzima obulinganiselweyo, ukuziqengqa kunye nokuhla ngokulula, ukuqina, ukumelana nomoya olungileyo, ubomi obude benkonzo, ukungangeni manzi, ukulondolozwa kobushushu okude nokunyamezeleka, njl. Ngoko ke ukuba ukhethe indlela yokugquma ngengubo gre gre ...
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