Granite
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Precisio granite dogere
Hamagara kuri granite hamwe na granite ni urutonde rwabagereranya gage ihwanye kugirango ishishikarizwe muburyo bwo gukora no kugenzura bwa nyuma. Ikimenyetso cya Dial kirashobora guhindurwa uhagaritse kandi gifunze muburyo ubwo aribwo bwose.