A method of provisioning telecommunication offerings includes receiving from a first provider a message at a services clearing house to provision a telecommunication offering at a customer’s premises and processing the request into a provisioning message. The first spacer and the second spacer include a photosensitive material defining a maximum height of a spacer with respect to a predetermined a cross-section width dimension of the spacer, and heights less than the maximum height with respect to cross-section width dimensions larger than the predetermined cross-section width dimension. Both the stacked inverter and the transmission gate provide beneficial reductions in static power consumption in comparison to conventional multiplexer designs. The case or bag includes the following: a case bottom, wherein the case bottom comprises a built in energy storage system and at least one camera storage section, and wherein the energy storage system can be operably connected to a camera placed in the camera storage section; a case cover connected to the case bottom, such that the case cover can be closed on the case bottom. A safety filter element downstream of the main filter element filters both the axial flow in the hollow interior and additional flow between the flow perimeter and the inner perimeter.