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
Weekly Schedule: Itâs 4 total weight training workouts per week (2 upper body and 2 lower body) done with a 2 on/1 off/2 on/2 off format. Weight Training Frequency: Each muscle group/body part is trained to some degree once every 3rd or 4th day, making this a moderate frequency split.