Mu kupanga mafakitale, kukod graphite angagwiritsidwe ntchito ngati lawi retardant, kusewera ntchito ya kutentha kutchinjiriza lawi retardant, koma powonjezera graphite, kuwonjezera extensible graphite, kuti tikwaniritse zotsatira zabwino lawi retardant. Chifukwa chachikulu ndikusintha kwa graphite yowonjezera ...
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