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
Weight train two or three times a week. When your goal is to increase muscle mass and strength, training every day is counterproductive. Your muscles need a chance to repair themselves in between training sessions. Without adequate rest periods, you won't achieve the body mass you want.