Brass and bronze, an alloy made from copper and tin, have been made for thousands of years, although brass was often made by accident. Early intentional brass was actually made with calamine, a mineral which contains zinc.
As I mentioned, you should strive to lift weights 3 times a week, but if you can only make it twice, you will still get most of the benefits. 4 1. Full-Body Workouts
Body Weight Exercises. 1  1. Learn how to do the basic body weight exercises that work more than 1 muscle group at once. 2  2. Do body weight exercises 3 to 4 times per week. 3  3. Do circuits of body weight exercise, giving yourself 30 seconds to rest between sets.  4. Do 2 to 3 sets of 10 to 15 reps.