1. Tsim Portable, tsim rau kev mus ncig, tsev neeg, tog, thiab lwm yam. 2. Siv rau kev ntxuav sab hauv tsev, khoom siv sab nraum zoov, ntxuav tes, ntxuav khoom ua si, thiab lwm yam. 3. Huv si, mos thiab tsis yooj yim hnav.