Graphite ingagwiritsidwe ntchito ngati pensulo yotsogolera, pigment, polishing agent, pambuyo pokonza mwapadera, ikhoza kupangidwa ndi zipangizo zosiyanasiyana zapadera, zomwe zimagwiritsidwa ntchito m'magulu okhudzana ndi mafakitale. Ndiye ntchito yeniyeni ya ufa wa graphite ndi chiyani? Pano pali kusanthula kwa inu. Graphite ufa uli ndi kukhazikika kwa mankhwala. Stone...
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