A calorie is a measure of energy, just as a pound is a measure of weight and a mile is a measure of distance. So the amount of energy you exert in doing an activity is measured by the calories burn rate.
A water pressure regulator is a plumbing valve that reduces the water pressure coming from the main water line into the house.o determine if you need a water pressure regulator test the water pressure of the main water supply to your house. You can buy a pressure gauge for a local hardware or home improvement store.
How a Pressure Washer Works. A pressure washer forces water through a small opening to create pressure and cleaning power. This process is analogous to putting your finger over the opening of a garden hose to increase the pressure. But a pressure washer takes this process a little further.nce the pressure washer is started, water enters the pump and is forced through a high-pressure hose that leads to a spray gun. The pressurized water exits through a metal nozzle attached to the spray gun.