Inyandiko zujuje ubuziranenge
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(4) ubuso bwibice bigize ibice bigomba guhora byumye mugihe cyo kwishyiriraho kandi ntibishobora gukoreshwa mumvura.
(5) genzura kandi ukosore ihindagurika rya plaque ihujwe mbere yo kwishyiriraho.
(6) birabujijwe gukubita inyundo mugihe cyo kwishyiriraho kugirango wirinde kwangirika kwa screw.
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Ingamba zingenzi zumutekano
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. Mugihe ufata ugashyira isahani yicyuma, intoki zigomba gushyirwa kumpande zombi zicyuma.
Igihe cyoherejwe: Nyakanga-31-2019