Ukuze kuvinjwe imililo kwezinye izinxanxathela zezitolo ezinkulu, iminyango yomlilo neyezokuphepha ifakwa phakathi kwezikhala eziningi zempahla. Uma kwenzeka umlilo, vala umlilo ukuthi ungabhebhetheki ngesikhathi ngokuvala umnyango womlilo. I-filler esetshenziswe emnyango idlala indima enkulu emsebenzini wokuvimbela umlilo. Cishe yonke iminyango engashi kanye ne-anti-ukweba emakethe isebenzisa ibhodi lengilazi le-magnesium elingashi njengezinto ezingashi.