The present invention provides a system and method for determining ingredients based upon scanning a label on a food container. The one or more driver circuits are configured to process received control signals and to transmit the processed control signals to the diffractive light modulator. The client additionally displays the results in real-time or near real-time to the user. The lower volume is operable to receive a flow of air from an opening to assist with the drying of the crop. The EE determines the second address within the LV and then cryptographically processes the block using an address-dependent cryptographic algorithm and data of the block, the determined second address, and the encryption key. The latter alternative can also be practiced with conventional all-metal horseshoes, or with an insulating horseshoe that is provided with an external conductive element.