A cikin wannan cikakken jagorar, za mu bincika tsarin kera na bututu octagonal don ƙofar rufewa. Mabuɗin abubuwan da ke cikin wannan tsari sun haɗa da injinan ƙirƙira naɗaɗɗen sanyi, bututun octagonal, bututun octagonal, da babban axis ɗin ƙofar rufewa. Don haka, bari mu shiga cikin mataki-by-...
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