Valve ndi gawo lowongolera mumayendedwe oyendetsa madzimadzi, omwe ali ndi ntchito zodulira, kuwongolera, kusokoneza, kupewa kuthamangitsidwa, kukhazikika, kusokoneza kapena kusefukira komanso kuchepetsa kupanikizika.Mavavu omwe amagwiritsidwa ntchito m'makina owongolera madzimadzi, kuyambira ma valve osavuta otseka mpaka ma v ...
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