Ukubumba inaliti yeplastiki yinkqubo yokuvelisa esetyenziselwa ukuvelisa uluhlu olubanzi lwamalungu eplastiki kunye neemveliso.Kubandakanya ukutofa imathiriyeli yeplastiki etyhidiweyo kumngxuma wokungunda, omile njengenxalenye efunwayo okanye imveliso.Izinto zeplastiki ngokuqhelekileyo zinyibilika kwaye zondliwa kwi-mold phantsi koxinzelelo oluphezulu, okwenza inxalenye eyenziwe ngokuqinileyo kunye nemilinganiselo echanekileyo kunye neempawu.Le nkqubo isebenza kakuhle kwaye ineendleko eziphezulu zokuvelisa inani elikhulu lamalungu afanayo okanye iimveliso.Isetyenziswa kakhulu kumashishini ahlukeneyo, kubandakanya iimoto, ezonyango, izixhobo zasekhaya, kunye nempahla yabathengi.Ukubumba inaliti yeplastiki esetyenziswa kule nkqubo ngokwesiqhelo yenziwe ngentsimbi, kwaye imibumbo inokuyilwa ukuvelisa iijometri ezintsonkothileyo, ukuthungwa okuntsokothileyo, kunye nemibala emininzi kwishothi enye.Ukusetyenziswa kokubumba inaliti yeplastiki kunika ukuguquguquka okukhulu ekukhetheni izinto eziphathekayo, okwenza ukuveliswa koluhlu olubanzi lwamalungu aneempawu ezahlukileyo, ezinje ngokuba ngqongqo okanye ubhetyebhetye, obala okanye opaque, kunye nedangatye elibuyiswayo okanye ukumelana neekhemikhali.