Generally, you should not eat or during anything, including water, for eight hours before your oral surgery. If your type of oral surgery requires local anesthetic, have a light meal 1 to 2 hours before your oral surgery. Brush and floss your teeth prior to your appointment. Do not smoke at least 12 hours before your oral surgery. What an ideal opportunity to consider quitting, as smoking is not permitted for a minimum 24 hours after oral surgery.
Dashur: Black Pyramid of Amenemhat III. The Black Pyramid of Dashur was the first pyramid built by Amenemhat III (of the Middle Kingdom of Ancient Egypt) during the early part of his reign. Unfortunately the pharaoh failed to heard the warnings of history and so this pyramid is now in a rather poor state.
It was probably at this time relatively easy to add additional balls of other colours, as they would be made of Ivory, and Ivory is easily stained to almost any required colour. This story was originally revealed by Sir Compton Mackenzie in an article which was published in The Billiard Player in 1939. (see Article on 'Origins of Snooker) Sir Compton said he had heard it from the inventor himself. He went on to say that the man who added the coloured ball to the game of Black Pool was Colonel Sir Neville Chamberlain who died as recently as 1944 at the age of 88.