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in electronics, a rectifier that charges one half of an alternating current into a direct current; half-wave rectifier
a thermomechanical model of shape memory alloys
a technique for finding an optimum combination when there may be no single best one named linear programming
a time‐and‐motion study
a calculation method used to determine {the root of an involution}
a method of conducting a survey, called {Delphi Method}
the four basic operations of arithmetic, called addition, subtraction, multiplication and division