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
How to Do This Workout. * Do the Weight Workout 3 days a week, resting at least a day between each session. So you might lift weights on Monday, Wednesday, and Friday. * Do the Cardio Workout three times a week, on the days in between your Weight Workouts. So you might do your cardio sessions on Tuesday, Thursday, and Saturday.