ืืืืื ืฉืืืืืช ืืฉืื ื ืคืืฆืืช ืืขืืจืืช ืืชืืงืื ื: ืฉืืืืฉื ืชืืืืจ, ืืชืื ืืื ืืืกืคืจ, ืฉืืืืฉ ืฉืืื ืืืืืืช ืงืืฉืืจ ืืืืคืืืช ืืืืชืจืืช. ืืื ืืืื ื ืืืชืืื ืชืงื ืืช ืืืืืจืืช ืืืฉืื.
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