It has become an iconic anti-war symbol and one of the most powerful anti-war paintings in history. It shows the results of the casual practice bombing by Hitler's German air force, acting in support of General Francisco Franco during the Spanish Civil War, of the little village of Guernica, Spain on April 26, 1937.
Quick Answer. The normal maximum mouth opening (MMO) is approximately 48 millimeters for humans. The ability to position three fingers of either the left or the right hand in the mouth between the upper and the lower front teeth indicates normal size of the mouth. Continue Reading.
Door Opening Width. The width can vary from 12 to 48 inches. The width of a door's rough opening is the width of the door plus 2 inches. The 2 inches accounts for a 3/4-inch jamb board on each side plus 1/2-inch adjustment space. If you are using pre-hung doors, the opening should be 1 inch to 1 1/2 inch wider than the door and its jambs.