Marka loo eego cabbirka iyo qaybta isdhaafka ee profiles kala duwan, waxaan dooran doonaa noocyo kala duwan oo ka mid ah extruders mataanaha ah iyo caaryada, iyo habeynta miiska vacuum ee u dhigma, cagaf, mashiinka goynta, miiska leexinta iyo qalabka kale ee caawinta.