There are many industrial uses of copper due to its high ductility, malleability, thermal conductivity and resistance to corrosion. It ranks third after iron and aluminum in the amount of quantities consumed for industrial purposes. Copper is the main component of coins for most countries. Everyday uses of copper include electrical conductivity, green energy (windmills and solar systems) doorknobs, household fixtures, frying pans, and even knives, forks and spoons, if they are made from electroplated nickel silver.
It is also used in copper water heating cylinders, copper bathtubs, copper sinks and copper counters. Copper in the form of a metal and as a pigmented salt is used to make decorative statues and sculptures. Copper in liquid form is also used as a wood preservative to restore original structures that are damaged due to dry rot. Copper was the first metal used by man to make tools 8000 years ago because it is commonly found in nature in its malleable native form can be formed into tools with no additional processing.