Chivharo cherabha
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Rubha chivharo cherabha chikamu chesisitimu yekumisikidza mota chinoshanda sechinodzivirira chinomisikidza kushamisika. Chinowanzogadzirwa nerabha kana chinhu chakaita serabha uye chinoiswa pedyo nechinomisikidza kushamisika kuti chigamuchire kurovera kamwe kamwe kana simba rinorova kana kumanikidzwa kumanikidzwa.
Kana chinhu chinobata mavanga emotokari chichimanikidzwa panguva yekutyaira (kunyanya pamusoro pemabumps kana nzvimbo dzakaoma), chinhu chinobata mavanga erabha chinobatsira kudzivirira chinhu chinobata mavanga kuti chisabude pasi, izvo zvinogona kukonzera kukuvara kwechinhu chinobata mavanga kana zvimwe zvikamu zvinobata mavanga. Chaizvoizvo, chinoshanda se "kumira" kwekupedzisira kana chinhu chinobata mavanga chasvika pamuganhu wekufamba.
