Described herein are embodiments of methods and systems of monitoring electrical brushes in electrical rotating machinery. A tree branch is rotatably connected to the branch hinge. Moreover, a tracking component can detect changes as they occur, and only a copy of the objects that have changed can be created, to optimize operation. A relaxed layer of SiGe, SiC, or similar material is formed on the buffer layer and places the strained material in the tensile or compressive state. The jar includes a diffuser for injecting the diffused air into the jar and a tap for drawing a fluid out of the jar.