Yakasiyana yekupfekedza zvinhu uye ukobvu hwemagonhi emoto zvinokanganisa muganho wekudzivirira moto. Muganho wekudzivirira moto weKirasi A magonhi emoto maawa 1.5. Iyo yekudzivirira moto yekumisa chiyero cheClass B magonhi emoto ndeye 1 awa. Iyo yekudzivirira moto yekumisa chiyero cheClass C magonhi emoto ndeye 0.5 maawa.

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