Ndi chitukuko mosalekeza luso laser, laser kudula makina pang'onopang'ono m'malo mwa miyambo kudula njira ndi kusinthasintha awo ndi kusinthasintha.Pakali pano, m'mafakitale akuluakulu opangira zitsulo ku China, kudula kwa laser pang'onopang'ono kukukhala kutchuka, ndiye nchiyani chomwe chingachitike ...
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