①Amapayipi esitimu nawowoyela ashisayo ayaqhuma futhi ayavuza, ibhulokhi yenjini igqwalile futhi iyaklwejwa,Ukugqwala konqenqema lokomisa iphepha nokuvuza komoya endaweni evalekayo yekhava yokugcina, ukulungiswa kwesikhunta sepulasitiki, njll.; ②Izindiza, ama-flange, amasistimu asebenza ngogesi, amalunga anentambo, e...
Funda kabanzi