Common metals are materials that are widely used in everyday life due to their abundance and useful properties. Examples include iron, aluminum, copper, and zinc. These metals are known for their strength, conductivity, and malleability, making them essential in construction, electrical wiring, and manufacturing. Iron is often used in building structures, while aluminum is popular for lightweight applications like packaging and transportation. Copper is an excellent conductor of electricity, making it vital for electrical systems. Zinc is commonly used for galvanizing other metals to prevent rusting, showcasing the versatility of these common metals in various industries.