Mukayang'anizana ndi madera akufa kapena madera opanda kulandirira kofooka, ogwiritsa ntchito ambiri nthawi zambiri amasankha kugula zobwereza ma foni kuti akulitse kapena kutumiza ma siginecha awo. M'moyo watsiku ndi tsiku, obwereza ma siginecha am'manja amadziwika ndi mayina angapo: zolimbikitsa ma siginofoni, zokulitsa ma sigino, zolimbitsa ma cellular, ...
Werengani zambiri