Wax soo saarka isku dhafan ee dareeraha dareeraha ah iyo xumbo polyurethane ah ayaa lagu dabaqi karaa iyadoo lagu buufiyo, cadayga iyo shubaynta. Isku-darka qalabkan ayaa leh faa iidooyinka soo socda: 1. Caabbinta dabka dabka ee wanaagsan iyo waxqabadka biyuhu ka-hortaga. Cadaadiska sare ee dareeraha dareeraha ah ee qaabdhismeedka unugyada ee loo yaqaan 'polyurethane xumbo ay si weyn u wanaajin karto iska caabbinta biyaha iyo caabbinta dabka ee dhismayaasha. 2. Waxqabadka ugu fiican ee xirashada. Guryaha insuliyada ee dareeraha dareeraha ah ee lagu daray kuwa polyurethane ee ay si weyn u wanaajin karaan dahaarka kuleylka dhismaha. 3. Badbaadi bey'ad u fiican oo caafimaad qabta. Wax soo saarka isku dhafka ah ee dareeraha dareeraha ah iyo xumbo polyurethane ah ayaa leh awood hoose iyo mid aan lahayn - sunta, waa wax aan dhib lahayn jirka bini aadamka iyo deegaanka, waana mid aad u amaan ah oo lagu kalsoonaan karo. Sidaa darteed, dareeraha dareeraha ah ee polyurethane xulufeed waa shey aad u fiican oo buuxin kara shuruudaha dhismayaasha casriga ah ee ilaalinta kuleylka, iska caabbinta dabka iyo biyuhu.