Mushure mokunge girafu rinowedzera rinorapwa pakarepo pakupisa kwepamusoro, chiyero chinova sehonye, uye vhoriyamu inogona kuwedzera 100-400 nguva. Iyi graphite yakawedzerwa ichiri kuchengetedza zvimiro zvechisikigo graphite, ine yakanaka yekuwedzera, yakasununguka uye ine porous, uye inoshingirira temperatu...
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