The amount of players in each one of these rows or categories is called the system of play or formation. For example, 4 defenders (fullbacks), 3 midfielders (halfbacks) and 3 forwards would be a 4-3-3 system of play or formation when playing with 11 players (U11 and above).
Hatching Eggs: A Step by Step Guide. Submitted by Pam from Tulsa. 1  Before putting your eggs into an incubator, plug it in and make sure the temp is holding at 99.5 - 103 degrees.  Mark eggs with a pencil or marker with an x on one side and an o on the other.
Duck eggs usually take 28 days to hatch, but some breeds take as long as 35 days. You need to make sure that your incubator is prepared in advance before you purchase duck eggs and attempt to hatch them. 1  Duck eggs are larger than chicken eggs, so many chicken egg incubators will not accommodate duck eggs.