1. Qalabka: Jirka koobku wuxuu ka samaysan yahay tuubo galaas ah oo borosilicate tayo sare leh, oo leh hufnaan aad u sarreeya, caabbinta abrasion, dusha siman, nadiifinta fudud, caafimaad iyo nadaafad;2. Marka la eego qaab-dhismeedkiisa, naqshadaynta dahaarka laba-lakabka ah ee jidhka koobku kaliya ma ilaalinayo ...
Akhri wax dheeraad ah