Gịnị bụ ihe nke nnukwu okpomọkụ tube ọkụ tubes?

Ihe ndị dị na ọkụ ọkụ tube dị elu bụ: 314 ígwè na-eguzogide okpomọkụ, iko quartz, ceramics corundum, akwa alumina ceramic tubes dị ọcha na ihe ndị ọzọ. N’ikwu okwu n’ozuzu, 800-1200 degrees tube oven na-eji 314 igwe anaghị agba nchara ma ọ bụ quartz iko tube, na 1400 degrees tube ọkụ na-eji 99 corundum seramiiki tube.