working principle Definition

working rule, movement, maser, worm, trickle-down, capstan, flesh, pantograph, act, basis, compound, cycle, devise, devising, experiment, follow, foot, forge, hypothesis, justice, life, organize, organizing, power, powered, precept, relation, spring, system, theory, use, spark, approaches, priority, secret, expansion, income, loose, pay, through, establish, cherish, cherishing, concertina, activate, active, actively, adverse, allies, asset, assets, battery, beam, beating, bias, boast, boastfulness, bodhisattva, bolt, bottom, bottoms, business, call, career, cast, chartism, circulation, commission, commissioning, committee, compression, condition, conditions, confirm, conversion, cooperation, copy, cordless, core, coring, course, deal, design, designed, det, develop, development, discover, discovered, done, down, dry, duty, emotionalism, end, ended, evolution, exercise, experience, exploitation,