Castors kalma ce ta gabaɗaya, gami da castors masu motsi, castors masu tsayayye da castors masu motsi tare da birki. Castors masu motsi, wanda aka fi sani da ƙafafun duniya, suna ba da damar juyawa digiri 360; Castors masu tsayayye kuma ana kiransu castors masu jagora. Ba su da tsarin juyawa kuma...
Kara karantawa