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Masiwichi a rotary amatenga gawo lofunikira kwambiri pamakina amakono pothandizira kuwongolera bwino komanso kusinthika. Zosinthazi zimathandizira machitidwe ovuta ndi magwiridwe antchito ambiri, kupititsa patsogolo magwiridwe antchito komanso chitetezo. Msika wapadziko lonse wa rotary switch ukuwonetsa kufunikira uku, ... Werengani zambiri»
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Ma switch a rocker, kuphatikiza ma switch a rocker on off illuminated, amagwira ntchito yofunika kwambiri pamakina amagetsi, kuwonetsetsa kuti magwiridwe antchito ndi otetezeka kwa ogwiritsa ntchito. Kusamalira nthawi zonse kumatalikitsa moyo wawo ndikulepheretsa zolephera zosayembekezereka. Ntchito monga kuyeretsa ndi kuthira mafuta kumachepetsa kutha, pomwe ma ins oyenera ... Werengani zambiri»