I guess this counts as novel and non-obvious then:

> One embodiment of the present invention may be a system including a security scanning device through which objects may be passed, having a proximate end and a distal end, a plurality of trays, and a plurality of tray carts adapted to receive the trays, wherein the plurality of trays are provided in a first tray cart at the proximate end of the scanning device, and wherein the trays are adapted to be passed through the scanning device at the proximate end, and wherein the trays are received in a second tray cart after passing through the scanning device at the distal end of the scanning device, and wherein the second cart is adapted to be relocated to the proximate end of the scanning device.