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
Tip 2: Work all of your muscle groups. When you lift weights, you should use a number of different machines to target all your muscle groups in one single workout. Do this same routine 2-3 days per week. A good place to start will be with 3 sets of 12 repetitions for every machine exercise.