Zvese zvakapfurwa kuputika michina inofanirwa kutevedzera iyi inotevera mitemo panguva yekuisa maitiro:
1. Iyo inomiririra iri munzvimbo: chiyero uye uremu hwomumiriri anofanira kuzadzisa zvinodiwa zvekudhirowa kana iri munzvimbo.
2. Sub-chikamu chekuisa chinofanira kuitirwa kubva pasi zvichikwira.
3, njanji kana catenary, yerudzi rwe roller runofanirwa kukonzerwa nemukati meidziyo.
4. Chikamu chepamberi bvunzo chinofanirwa kuitwa panguva yekumhanya bvunzo, uyezve zvese zvichimhanya mushure mekurongeka kwemaitiro.
Nguva yekutumira: Kubvumbi-17-2019