ืืืฆืจ ืฉื ืชืืจืื ืืชืงืืืื ืืขืจืืืช: ืชืืจืื ืขืืืงืื, ืจืขืืื ืืื, ืืืืจืืืื. ืืืืื ืฉื ืชืืจืื ืืื ืฉืืืืฉ ืืืืืืืืช.
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