Cov ntsev kom qhuav tshuab yog kev co kua txaj tshuab ziab khaub ncaws, nws yog qhov ua kom qhuav, thiab dej haus cawv, txias thiab noo noo thiab humidifying ua ke ib txhij.
Kev ua haujlwm siab zoo thiab muaj kev txuag hluav taws xob, lub zog txuag tau zoo dua li qhov kev ziab teeb meem dav ntxiv 30% {% {2}.
