1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion 2) any competition 3) the act of using 4) the supreme effort one can make DOWN 1) informal terms for a meal 2) freedom from difficulty or hardship or effort 3) the smallest whole number or a numeral representing this number 4) something left after other parts have been taken away ** Scroll down for solution. ** Are you sure you want to peek? gear race uses best