Metals are a natural and abundant resource that is both malleable and extremely durable, which makes them suitable for all manner of practical purposes. Pure metals such as copper, iron, lead and tin, and various alloys including brass bronze and pewter, have been used around the world for thousands of years. Metals have played a significant role in the development of human civilization, with bronze and iron used to make early tools and weapons. Drinking vessels and utensils for making and eating food have been fashioned from metal since ancient times. Pewter and Spelter were inexpensive alternatives to more precious metals.