The framing layout assembly includes a housing that is positionable proximate the member. The said invention is attached to a garment, a garment consisting of two pant legs of equal length surpassing the knees and reaching the ankles in most cases; in this case a pant garment. The intermediate position limiting member receives an intermediate reaction force from the return spring through engagement with the return spring, and the full close position limiting member receives a full close side engaging force from the valve gear. The interferometry systems can be advantageously incorporated into lithography systems used to fabricate integrated circuits and other semiconducting devices and beam writing systems used to fabricate lithography masks. A guide device adapted for mating with the bone plate is also disclosed. The cache engine also stores key system objects on each one of a plurality of disks, so as to maintain the cache holographic in the sense that loss of any subset of the disks merely decreases the amount of available cache.