Ukuphepha kuminingi wamagugu ngaphansi kwesililo kuyindilinga, kanti umgubhu obhafanayo wesililo uyidingeka njengomthetho wokuphepha. Amakhangala okufaka kanye nomgubhu ka-rubber wale mgubhu ibhafana ngezinhlela ezithile zokulahla sililo. Lokhu kuthola amathiphu akho nokuba angalahlali, asingayibhafane sililo, kanye nokukhupha kwe-static. Uma kusuke sililo noma ukugayiswa kwegcine, kungabahlula sililo futhi kungahlinza ukuthi kuthunyelwe kwe-static yokunqoba igesi ye-methane noma umthubi wamagugu, ngakho-ke kuyisisekelo esibalulekile ekuphepheni ngaphansi kwesililo.
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