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
Traditional workouts call for 3 workouts per week as the minimum and split routines of 4, 5 or even 6 weight training sessions per week as the maximum. The advice is to train using 3-to-5 exercises per body part, up to 15-to-20 sets per body part, and up to 1 1/2 to 2-hour workout sessions per day.