Emisebenzini yasolwandle, lapho izinhlelo zokulawula uketshezi kufanele zisebenze ngokungenasici ngaphansi kwezimo ezinzima, ama-valve okuhlola ama-disc ayizingxenye ezibalulekile. Lawa ma-valve adlala indima ebalulekile ekuqinisekiseni ukusebenza kahle, ukuphepha, kanye nokwethembeka kwezinhlelo zokuphatha uketshezi emikhunjini nasezinkundleni zokuxhumana ezingasogwini lolwandle. 1. Es...
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