Imishini yokuvala i-foam i-polyurethane idlala indima ebalulekile ekukhiqizeni izixazululo zokuvala ezisezingeni eliphakeme ezisetshenziswa eziningi izicelo zezimboni. Le mishini ekhethekile yenzelwe ukwakha imicu ye-polyurethane e-polyurethane esebenza njengezimpawu ezisebenzayo ezindaweni ezahlukahlukene, ukuvikela kumswakama, uthuli, nokungena komoya. Ukusebenza okuhlukahlukene kwe-polyurethane kuyenza ibe yi-choi efanele