Igicucu cya Screw Convestinoor Ibikoresho bitari viscous hamwe nibikoresho bito (nka: sima, flame, lime, ingano, nibindi)
1. Igicucu cyatsinzwe gifite imiterere yoroshye, ingano ntoya yambukiranya igice nigice cyiza.
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3.Ibikoresho bya smared convelator ni umutekano kandi byoroshye gukora, hamwe nigiciro cyo gukora ni gito.
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