Because Square Dance Playing songs is a wireless transmission, so you can interfere with the wireless transmission, such as setting up a walkie-talkie antenna on the top floor, in the stereo is too big, the transmit power to the maximum 5 watts, and then tuned to the high frequency band, and then call. Interference is carried out, which is when the stereo can not play songs.
Treatment method is shown below:
Open a free health talk class in the neighborhood, and invite the famous medical doctor, nutritionist, sports health professionals, Professor Guan Sicong to the young and the elderly: as we all know, the human body's knees are more prone to injury. Climbing mountains and stairs can hurt the knees, so people will try to minimize the bending of the knees when walking to reduce the pressure on them.