Triglycerides and cholesterol in the bloodstream are important factors in the development of cardiovascular disease. Each camera has a respective field of vision for viewing one or more users. The DC-DC converter is shifted to an operation state to supply a charging current of the constant current value to a charging target when a voltage value of a direct current voltage that is output from the power supply device reaches a maximum output voltage value or an approximate value thereof. The detection terminal includes a fixed end embedded into the insulation base, an elastic arm extending from the fixed end in a curved manner with its concave surface facing the side wall, and a contact section continuously extending from the elastic arm in a curved manner with its convex surface facing the side wall. A series of individual couplers can be used along the height of the uprights that form part of each of the individual storage racks. By providing a flange on the bottom trailing end of the cowl, contact between the little finger of the hand holding the rod and the reel is prevented.