Glossary of Terms
Ball Valve - A valve with a ball resting in a cylindrical seat. A hole is bored through the ball to allow water to flow when the valve is open. When the ball is rotated 90 degrees, the valve is closed.
Quick Facts
Base - A substance that takes up or accepts protons, dissociates in water to produce hydroxyl (OH-) ions, reacts with metals, and is corrosive.
