Concrete and cement are not interchangeable terms. Cement is the dry powdered substance that is mixed with sand, gravel and water to create concrete. The gravel component in concrete is sometimes referred to as crushed rock or aggregate. Mixing sand, gravel, water and cement in the right proportion is essential to producing durable, high-quality concrete.
Know the numbers. In order to lose one pound, you will need to burn 3,500 more calories than you consume in a day. How many calories you burn in a given day just by existing will depend on your current weight and level of physical activity. You can calculate this by multiplying your weight by ten.
The supplied calculations help you estimate how many calories you burn daily and how much you can eat to maintain your weight. If you want to lose weight, conventional advice is to trim 500 to 1,000 calories from what you burn daily. This size calorie deficit yields a manageable loss of 1 to 2 pounds per week, since one pound equals 3,500 calories. So, if you determine you burn 2,400 calories per day, you need between 1,400 and 1,900 calories per day to lose weight.