Ngwa:
vibration & ujo absorption, ikuku & mmiri mmiri filtration, gasket & akara, okpomọkụ nyefe & mkpuchi. Kwesịrị ekwesị maka mmanụ ala, kemịkalụ, ụlọ ọrụ, ọgwụ, igwe, ụgbọ mmiri, ụgbọ ala, ụlọ ọrụ traktọ dị ka distillation, usoro nzacha, ma jiri ya mee ihe dị ka ihe nzacha ikuku ụgbọ ala. Ọ nwekwara ike extruded iji mepụta akụrụngwa nzacha.