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
The goal is to get your heart and lungs in shape and get the blood flowing to your muscles and joints. After three to four weeks, add weight training, but instead of doing a lot of repetitions (reps) with a low weight, consider doing fewer reps (no more than six to eight at a time) with a higher weight. Aim for three sets of reps two to three times a week for each muscle group.