Ключевые слова: adding, agree, begin, cards, chance, charge, circle, collection, commercial, computer, control, controller, device, dial, division, earphones, element, experiment, extend, gambling, game, games, icon, list, listening, magnification, mathematics, maximize, mixer, no, pad, play, player, pulse, questionnaire, set, structure, symbol, system, toy, travel, turn, view, wave, wheel, www,