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Lub foob rau qhov rooj iav GF-B15
GF-B15 Lub foob pob hluav taws xob sab nraud uas tau teeb tsa rau sab nraud yog qhov tsim nyog rau cov haujlwm tom qab kho. Yog tias lub qhov rooj tau teeb tsa rau hauv qhov chaw, nws yuav tsum ntxiv cov rwb thaiv suab, rwb thaiv kub, tiv thaiv plua plav thiab lwm yam haujlwm. Nws yooj yim thiab yooj yim rau kev teeb tsa rau ntawm qhov chaw ntawm lub qhov rooj hauv qab; qhov zoo nkauj heev.