A dual fuel injector utilizes first and second control valves to open and close first and second nozzle outlet sets to inject a first fuel and a second fuel, respectively. One method includes placing a plurality of time bins within a plurality of time frames and assigning a plurality of UWB communication channels comprising selected time bins. The implant of the invention is designed to be performed either as a hemiarthroplasty or as a component of a total shoulder replacement along with a standard glenoid or inset glenoid implant. A central portion of the first membrane is joined to the central portion of the second membrane via a joining segment, which may comprise a conjoint disk. The follower pin penetrates into the cam groove 74 with the rotation of the lever. The novel system and method use a neighborhood model of pricing trend prediction to aggregate a plurality of \u201cneighboring\u201d or related stocks to predict pricing of one stock within the plurality of related stocks.