Cov phuam qhwv ntsej muag yog cov khoom lag luam tshiab uas tau dhau los ua neeg nyiam nyob rau xyoo tas los no, ua rau cov phuam so kom muaj lub luag haujlwm tshiab xws li kev txaus siab, khoom plig, kev sau, khoom plig, thiab kev noj qab haus huv thiab kev tiv thaiv kab mob. Tam sim no, nws yog ib txoj phuam uas nrov heev. Compressed phuam yog ib yam khoom tshiab. Compress...
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