Kohereza imifuka, imifuka ya barafu, imifuka yibiribwa byafunzwe, firime irambuye, kubyara imifuka, imirongo, imifuka yabatwara, imifuka yimyanda, firime yubuhinzi, firime yanduye kandi ifatanyirijwe hamwe yo gupfunyika inyama, ibiryo byafunzwe nibindi bipfunyika ibiryo, kugabanya firime (kubivanga na LDPE), gupakira ibicuruzwa byinganda, hamwe na porogaramu zisobanutse neza iyo uhujwe na (10 ~ 20%) LDPE.