A takaice bayanin:

Waya mai amfani da kai shine wani yanki na m shafi-m shafi da aka sanya a kan wata enurethane mai kaho, polyurethane, polyester misali. Layin da kansa na iya samar da halaye na haɗin kai ta hanyar zafin jiki mai zafi. Winding waya ta zama m m coil ta hanyar ɗaurin matakan aikin kai na kai. A cikin wasu aikace-aikace, zai iya kawar da katangon, tef, tsoma fenti, da sauransu, da rage cil girma da kuma farashin sarrafa kuɗi. Kamfanin na iya zama tushen da dama fenary mai launin fenti na kai da kuma kayan adon waya, kamar yadda aluminiuman ƙarfe, aluminium, da fatan za a zabi wider da suka dace bisa ga amfani.