Lokacin da tafiya ta yi tauri, kwamfutar hannu mai karko na'ura ce mai ɗorewa kuma mai ƙarfi. An ƙera allunan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan yanayi don jure wa yanayi mai tsauri da buƙatun yanayi. An yi su daga abubuwa masu ɗorewa kuma suna iya jure matsanancin yanayin zafi, zafi, ƙura, girgiza, faɗuwa, da sauran ƙalubale ...
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