I-pikinack brand bray itreyi yemephu ilula, inzima, ixhathise ngamachiza kwaye ineepropathi ezigqwesileyo. Amandla ayo, ubuqili, ukungafihli, ukumelana nefuthe kunye nokuxhathisa impilo. Itreyi yemephu ye-PP isetyenziselwa ukulondolozwa kokutya kwaye inoluhlu olubanzi lwezicelo ekupakisheni inyama, ikofu kunye nemifuno. Namhlanje, kuyanda ngakumbi kwintsimi yefriji kwaye ilungiselelwe ukutya okulula. Umgaqo-siseko wokutsha wokupakishwa komoya oguqulweyo ayikokutshabalalisa iiseli, kodwa ukuthintela i-microorgamenisms ekuqhubeni kwaye ukuphindaphinda ngokutshintsha indalo, kodwa iiseli zisenokubuyisela umbala kwaye zibuyise emva kokushiya imemo yemephu.
Thatha, umzekelo, iziqhamo kunye nezilondolozo zemifuno, iziqhamo ezitsha kunye nemifuno esaphefumla emva kokuba ikhethwe. Bathatha ioksijini kwaye bavelise i-carbon diokside, enyusa amanqanaba e-carbon dioxide kwaye inciphise amanqanaba e-Obhygen. Sebenzisa i-membrane enobungozi kakhulu, ioksijini inokubonelelwa kwaye i-carbon diokside isuswe ngokutshintsha igesi yokupakisha kunye nemozulu. Ukulunga okuthile ukulingana kweegesi ezikwiphakheji kufezekiswa xa i-moya ilingana nenqanaba lokuphumla leziqhamo kunye nemifuno. Emva koko, ngaphandle kokuphefumla kwe-anaerobic, iziqhamo kunye nemifuno inokugcina inqanaba lokuphefumla elibuthathaka.
