Mail sent to either of a user's addresses arrives in their same inbox. 1  Sign up for Google services using your primary domain. 2  Add a secondary domain, if you you want to share your Google Apps services with another domain. 3  Add users to your Google accounts.  Add a domain alias to your primary or secondary domains.
The purpose of the Number Rods is to visualize the quantities 1-10: to learn to count and to associate the names with the quantities. There are ten rods varying in length from 10 centimeters to 1 meter. Each rod is divided into sections equal to the shortest rod.
In practice, many fuel cells are usually assembled into a stack. Cell or stack, the principles are the same. Top. How do fuel cells work? The purpose of a fuel cell is to produce an electrical current that can be directed outside the cell to do work, such as powering an electric motor or illuminating a light bulb or a city. Because of the way electricity behaves, this current returns to the fuel cell, completing an electrical circuit.