Zvimiro zvemagiya ehonye:
1. Inopa raios huru yekuderedza daro rakatarwa pakati
2. Chiito chekubatanidza meshing chakapfava uye chakatsetseka
3. Hazvigoneki kuti vhiri remuswe rifambise mota kunze kwekunge mamwe mamiriro ezvinhu asangana
Pfungwa yekushanda kwemidziyo yehonye:
Mitsetse miviri yegiya remanyoka nedhiraivha remanyoka yakatarisana; gonye rinogona kuonekwa se helix ine zino rimwe (musoro mumwe chete) kana mazino akawanda (misoro yakawanda) yakasungirirwa pa helix iri pa silinda, uye giya remanyoka rakaita segiya rakatetepa, asi mazino aro anofukidza gonye. Panguva yekubatanidza, kutenderera kamwe chete kwegonye kuchafambisa vhiri remanyoka kuti ritenderere nepazino rimwe (gonye rine magumo maviri) kana mazino akawanda (gonye rine magumo akawanda). tsvimbo, saka chiyero chekumhanya i chegiya remanyoka = huwandu hwemisoro yegonye Z1/huwandu hwemazino evhiri remanyoka Z2.