A: Kusiyana pakati pa miyala ya quartz ndi granite: 1. Mwala wa quartz umapangidwa ndi 93% quartz ndi 7% resin, ndipo kuuma kumafika madigiri 7, pamene granite imapangidwa kuchokera ku ufa wa marble ndi utomoni, kotero kuuma kumakhala 4- Madigiri 6, omwe amangokhala mwala wa quartz ndizovuta kuposa granite, ...
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