A seat restraint tensioner for a seat restraint system in a vehicle includes a housing for operative connection to vehicle structure and a movable piston disposed in the housing. These pressures are related to the density of the process fluid. The switching mixer receives in-phase and quadrature signals from the baseband in-phase stage and the baseband quadrature stage. A set of qualifications are received from a jobseeker. In one aspect, glycosyl halides are produced by reaction of an O-silyl glycoside with a dihalomethyl alkyl ether.