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Mvura Inonyudzwa Retor
Kunyudzwa kwemvura kudzoreredza kunoshandisa yakasarudzika mvura inoyerera inoshandura tekinoroji kuvandudza kufanana kwekushisa mukati memudziyo wekudzosera.Mvura inopisa inogadzirirwa pachine nguva mutangi remvura inopisa kuti utange kuita sterilization pakupisa kwepamusoro uye kuwana tembiricha yekukurumidza ichikwira, mushure mekuita sterilization, mvura inopisa inodzokororwa uye inopombwa ichidzokera kutangi remvura inopisa kuzadzisa chinangwa chekuchengetedza simba.