A method including forming a channel region between source and drain regions in a substrate, the channel region including a first dopant profile; and forming a barrier layer between the channel region and a well of the substrate, the barrier layer including a second dopant profile different from the first dopant profile. The magnets serve to detachably attach the sunshade clip to the spectacles. The distributor may receive packets from servers that the traffic management devices are managing communications to. A collar on the cutting bit shaft engages the guide leg to prevent the sleeve end cutting edge from contacting the base leg. The wafer holder in the chamber is made rotatable for a better uniformity during the photoreduction process.