1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a sizeable hole (usually in the ground) 2) an emergency procedure consisting of external cardiac massage and artificial respiration; the first treatment for a person who has collapsed and has no pulse and has stopped breathing; attempts to restore circulation of the blood and prevent death or brain damage due to lack of oxygen 3) an artifact designed to be played with DOWN 1) a proportion in relation to a whole (which is usually the amount per hundred) 2) a corporation's first offer to sell stock to the public 3) earnest and conscientious activity intended to do or accomplish something ** Scroll down for solution. ** Are you sure you want to peek? pit cpr toy