Fifth、 Feel, a large number of film surface stickers, membrane switches, need to be packed vertically, to prevent the key for a long time weight failure;
Sixth、The transparent film covering the front and back of the membrane switch is to protect the display window of the membrane switch, do not tear off easily;
Seventh、The bubble film lining between the membrane switch and the membrane switch is to reduce the pressure of the key, prevent failure, should be retained;