Iyo yekukweva inodzikisa mumiriri inoumbwa neakasiyana zvikamu, zvinosanganisira graphite, bentonite, kurapa agent, lubricant, conductive simende, etc. Iyo graphite iri mukukweva inodzikisa mumiririri inoreva kukweva kunoderedza mumiririri akawedzera graphite. Graphite mune inopikisa agent inoshandiswa zvakanyanya muresista...
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