gas stoves, gas lamps, hot water heaters, gas fueled blow pipes for use in heating, gas fueled torches, and cylinders for the storage of compressed gas for use with stoves, lamps and hot water heaters

A metal stencil with an array of designs that, when used in conjunction with various physical vapor deposition methods plus many other additive or subtractive technologies to deposit a film or perform work upon a preexisting layer on an appropriate substrate, will provide a large amount of critical information for the characterization of such processes and assessing the performance of said films in those applications being investigated