Paunenge uchiisa ultrasonic mvura mita, zvakakosha kufunga nezvekuyerera kwekuyerera, nzvimbo yekuisa uye mamiriro epombi, sezvinotevera: 1. Chokutanga pane zvose, tinofanira kutanga taziva kana iri nzira imwe chete yekuyerera kana nzira mbiri: pasi pemazuva ose. Mamiriro ezvinhu, kuyerera kwenzira imwe, asi isu tinogona ...
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