A semiconductor device includes a workpiece having a bottom surface opposite the top surface. The polymeric compositions include a reaction product composed of a clarified random propylene\u03b1-olefin copolymer, a coupling agent, and optionally an elastomer. The first set of radio resources comprises at least one of radio resources in which the wireless device transmits to the first network node, or radio resources in which the wireless device receives from the first network node. In use, the door stop remains in its normal position until the elongated tube is struck by an object, such as a vacuum cleaner or mop. When the diaphragm is displaced in response to changes in pressure, the needle valve pin is likewise displaced which opens and closes the flow pathway. A brake can arrest the motion of the gripper after launch.