Kodi mudawonapo kiyibodi ya rabara pakutali kwanu, chowerengera, kapena zida zina zam'manja?Munayamba mwadzifunsapo kuti amapangidwa ndi chiyani kapena chingapangitse mtundu wina kukhala wabwino kuposa wina?M'dziko la makiyi a rabara, silikoni ndi chinthu wamba.Koma pali kusiyana kwakukulu komwe kumatha kukhudza kwambiri ogwiritsa ntchito: kaya kiyibodi ya rabara ya silicone ili ndi zokutira za polyurethane (PU).