Mkpokọta Vacuum bụ usoro nkwakọ ngwaahịa na-ewepụ ikuku na ngwugwu tupu akara.Usoro a gụnyere (aka ma ọ bụ na-akpaghị aka) itinye ihe na ngwugwu ihe nkiri plastik, wepụ ikuku n'ime, na mechie ngwugwu ahụ.Ebumnuche nke ịkwakọ ihe na-adịghị ahụkebe na-abụkarị iwepụ oxygen na akpa iji gbatịa ndụ nchekwa nri yana, yana ụdị ngwugwu na-agbanwe agbanwe, iji belata olu nke ọdịnaya na ngwugwu.
Mkpokọta oghere na-ebelata ikuku oxygen, na-egbochi uto nke nje bacteria ma ọ bụ fungi, na-egbochi ikuku nke ihe ndị na-agbanwe agbanwe.A na-ejikwa ya na-echekwa nri kpọrọ nkụ ruo ogologo oge, dị ka ọka, akị, anụ a gwọchara, cheese, azụ̀ a na-ese anwụrụ, kọfị, na ibe nduku (crisps).N'oge dị mkpirikpi karị, a pụkwara iji ịkwakọ ihe na-ekpo ọkụ na-echekwa nri ọhụrụ, dị ka akwụkwọ nri, anụ, na mmiri mmiri, n'ihi na ọ na-egbochi uto nje.
