Backflow prevention devices prevent contaminated water from flowing from your public water system into your supply line. With a backflow prevention device in place, your plumbing will be able to detect events that cause contamination, and prevent them from affecting your water supply.
Home Â» Importance of Carbohydrates. Carbohydrates are our main source of energy and provide the ideal fuel (glucose) for your body to function optimally, as well as many essential vitamins and minerals.They are also the only form of energy used by the brain.ome Â» Importance of Carbohydrates. Carbohydrates are our main source of energy and provide the ideal fuel (glucose) for your body to function optimally, as well as many essential vitamins and minerals.
Carbohydrate is the most important source of energy for the body because it is the main fuel for both your muscles and brain. Sources of carbohydrate include starchy foods, e.g. bread, rice, potatoes, pasta, pulses and breakfast cereals.t is also provided by alcohol. Different food and drinks provide different amounts of energy. The amount of energy (measured in units of calories or kilojoules) a food contains per gram is known as its energy density.