Heino muunganidzwa wemienzaniso chaiyo yekuisa yetsika Insulation Covertakagadzirira vatengi. Yese insulation cover yekugadzira uye kuisirwa inosanganisira isingachinjiki hunyanzvi. Kubva pamamirimita-chaiyo kuyerwa uye kucheka kwakagadzirwa kunoenderana nemakona emidziyo, kusvika pakunyatsosarudzwa kwezvinhu zvemhando yepamusoro zvisingaenderane nekushisa kwakanyanya uye kuchembera, nekunyatsozadza gap uye kusungirirwa kwakachengeteka kwemajoini panguva yekuisa - nhanho imwe neimwe inoitwa nekuzvitsaurira kwakazara. Iko hakuna perfunctory standardization, inongonangwa basa rakanaka. Aya mavhavha emidziyo-anokodzera ekudzivirira haangori maturusi anoshanda ekuchengetedza kupisa uye kushanda nesimba asi zvakare anobatika maratidziro ekuzvipira kwedu kwemhando. Yakagadzirwa nehanya nemoyo wese, dzakagadzirirwa kuchengetedza kugadzirwa kwevatengi vedu.
