A semiconductor die including strain relief for through substrate vias. The refrigerator has a door which can be opened or closed and is adapted to allow air to enter the interior of the refrigerator under pressure so as to cool the electronic equipment within the refrigerator during the operation of such equipment. The pulley assemblies are received in the headrail, each of which has a frame and a pulley. Thus, the swimming goggles can effectively guard against interference each other during the adjusting and can respectively conform with a wearer’s eyehole contour, so as to provide more comfortable fitting and prevent the seepage of water when the swimming goggles are in use. The transparent film sheets are made of Chinese drawing paper that is manufactured using paper mulberry as raw material. In the light-emitting device the light source may be a light-emitting diode chip or one of a plurality of light sources.