An electronic redemption system for electronic commerce transactions. The buffer is accessed in response to a request for information in the network interface controller memory. Further, products incorporating the antimicrobial compositions of the present invention and methods of using the antimicrobial compositions and products disclosed herein. Likewise, there is a front or first A-frame and a rear or second A-frame. Moreover, after loginning the managing system, work partners at different locations of the enterprise can accurately monitor and control operation conditions associated with product manufacture, so that the enterprise can effectively manage distribution and flow of business performances and profits.