Ha u kenya li-valve, ho nkoa mehato e fapaneng ea ho itšireletsa bakeng sa tsamaiso ea boenjiniere le mofuta oa valve ho netefatsa polokeho. Mehato e latelang ea tšireletso e khothalletsoa ho hlahloba valve, valve ea tšireletso, valve e laolang khatello, le ho kenya sefi sa mouoane ho netefatsa ts'ebetso e nepahetseng ea valve. 1. Sheba...
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