Izikhwama ze-valve zenzelwe ngokukhethekile ukugcwaliswa kwempahla ngesivinini esikhulu.Izikhwama ze-valve zivame ukusetshenziselwa ukupakisha usimende neminye imikhiqizo.Impahla ingagcwaliswa ngokuqondile ngepayipi futhi uma impahla isigcwaliswe emphethweni i-valve ivala ngokuzenzakalelayo inikeze uhlelo lokukhiya.
Isikhathi sokuthumela: Aug-20-2023