1 Your oranges should be washed before peeling or cutting. Wet each orange with water, rub its surface, rinse it with running water and dry it with a clean towel.  Washing oranges in a sink filled with water is not recommended since the standing water can spread contamination from one orange to another. The use of soap or detergent is not recommended because the fruit can absorb detergent residues. Consider a dip in clear white vinegar as an added precaution.
The most common domino sets commercially available are double six (with 28 tiles) and double nine (with 55 tiles). Larger sets exist and are popular for games involving several players or for players looking for long domino games. The number of tiles in a set has the formula 12(n + 1)(n + 2) for a double-n set.
Quick Answer. There are a total of 28 dominoes in a standard set where the maximum number is six on each side, called a double-six set. Each domino is called a tile and the dots found on each of the tiles are called pips. For the standard 28-domino set, there are a total of 168 pips or dots. Continue Reading