Ukadaulo wochotsa tsitsi la laser sizachilendo, koma m'makampani okongola azachipatala, malo ake akhala osasinthika. Masiku ano, bungwe lililonse lokongola lazachipatala limafunikira chida chochotsera tsitsi la laser, chifukwa chiyani? Choyamba, poyerekeza ndi njira zachikhalidwe zochotsera tsitsi, technol yochotsa tsitsi la laser ...
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