COLUMBIA | When Jarrell Harrison was 12 years old, he thought nothing of playing linebacker for the Las Vegas Dolphins of the Nevada Youth Football League.

With the costs of fuel (any fuel) still heading skyward, the idea of "free" energy from the ground is a reality more and more households are cutting their teeth on. Geothermal systems cost upwards of

The symbol for the needle valve is represented by a gate valve crossed in the middle by an arrow head pointed down (see attachment).

Some actuators must move at a precise speed, stop at a close-tolerance position, or produce a very accurate force to perform the work for which they were designed.

The primary part in a ball valve is a small ball or a disc inside it. It

Since a metal to metal contact is used to shut-off the flow of liquid, it

I have a question which is a little hard for me to figure out. I've attached a sketch showing the case. I have a parking garage which is fully sprinkled.

Is there a chart somewhere that shows me the volume of water required (after a pipeline is full) to raise the pressure to 200#s??