A tamper resistant keypad includes one or more key assemblies having a resilient key member and a contact. At this time, at a V notch portion for positioning formed in the semiconductor wafer, light is transmitted through the protective sheet covering the surface, which is received by a photoreception sensor. Upon authorization by primary account user to allow an auxiliary account to manage the online shop, the system records an authorization relation between the auxiliary account and the primary account. This method may be used in producing aflatoxin-free lutein from other contaminated grains or plant oils, or other plant products, including corn, cotton, soybean, rice, barley, wheat, maize, millet, and peanut. In addition, the information stream is not related by content to the time-based information.