Pressure is the amount of force applied per unit area. Pressure can be measured by a pressure gauge, but it is important to know the type of pressure the gauge is reading. This article will cover the ...

On any type of refrigeration system, from small reach-in coolers all the way to large chillers, controlling the head pressure of the refrigerant is important. That’s because it helps keep the system ...

You've probably heard meteorologists mention low pressure, but did you know there are two different types that can generate the weather where you live? While both can produce anything from snow and ...

A ventilator is a machine that helps you breathe or takes breaths for you. It can be a lifesaver if you have a health condition that causes you to struggle to get air. You may know about the type of ...