Mitengo yanzeru ya dzuwa yokhala ndi zikwangwani ikuchulukirachulukira pomwe mizinda ndi mabizinesi amafunafuna njira zatsopano zoperekera kuyatsa, chidziwitso, ndi kutsatsa m'matauni. Mitengo yowunikirayi ili ndi mapanelo adzuwa, magetsi a LED, ndi zikwangwani zama digito, zomwe zimawapangitsa kukhala malo ...
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