Games BrainTeasers Bridges Connect 4 Mahjongg Othello Slide 15 Sudoku Word Search Flash Games Bubbles Site Navigation Home News Contact us Privacy Policy Join Random Fact During World War II, Kit Kat was unavailable due to milk shortages, so the chocolate bar was made without milk. Members' Area Login System Stats Regisered Users: 22 Puzzles: 1148 Users Online: 13   Brain Teaser # 956 Category: Riddle   Problem: Why is a manhole cover round and not square? Can you think of two reasons?   Display Answer Copyriight © 2005 - 2010 BrainTeasers.org BrainTeasers.org is part of the InnovationsR.us Network