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.
Describe the function of a scuba regulator first stage and second stage. The first stage regulator lowers the PSI from a high pressure to an intermediate pressure. The second stage regulator further lowers the pressure to an ambient pressure. A cylinder should be visually inspected at least ________ a year and hydrostatically tested every __________ years, in the United States.