A snowshoe whose webbing includes a flexible wall maintained in tension inside a framework by portions of the flexible mounting wall which define flexible mounting projections. The central unit transmitter generates a master carrier and a master clock signal which are used to transmit downstream data to the remote units. A method for affixing a metal sheet to a carbon structure and a method for metalizing a surface of a carbon structure are also provided. In an alternative embodiment, an insect screening material includes screen elements having a diameter of about 0. The transaction performance of the system is monitored by comparing the performance of the system in processing the transaction requests with an expected performance.