(4) Cover the nose and the mouth with the hands and then exhale using the diaphragm. When all the heat has been exhaled, repeat steps 2, 3 and 4, doing the exercise a total of 12 times.
4. 以其遮住鼻和口，然後由腹部吐氣，熱氣吐完了，再重複 2.3.4. 的步驟。共做十二次。