A transportable field containment system with transparent hood. Also disclosed are systems and methods employing a wafer cassette lighted with one or more affixed light sources for facilitating cassette alignment with standard semiconductor processing apparatus. In some instances the system, method and device is high-throughput. The fetch unit inherently provides an effective decryption key length that depends upon the function and amount of key values used. In addition, an edge locating apparatus, and a corresponding method for locating an upper section of timber kit onto a lower section of timber kit, is provided having a sloping portion to guide the upper section onto lower section.