There are numerous metals besides iron that are found on Earth and have significant practical applications in modern society. Here are a few examples:
Aluminum: Aluminum is the most abundant metal in the Earth's crust after oxygen and silicon. It is lightweight, corrosion-resistant, and has excellent thermal and electrical conductivity. Aluminum is widely used in transportation (aircraft, automobiles, and trains), construction, packaging, electrical wiring, and various consumer products.
Copper: Copper is a highly conductive metal that is widely used in electrical wiring and transmission of power. It is also utilized in plumbing, heating systems, electronics, telecommunications, and various industrial applications. Copper's antimicrobial properties make it suitable for applications such as healthcare settings and water treatment.
Titanium: Titanium is a strong, lightweight metal with excellent corrosion resistance. It is commonly used in aerospace and aviation industries, where its high strength-to-weight ratio is advantageous. Titanium is also utilized in medical implants, sporting goods, automotive components, and chemical processing equipment.
Zinc: Zinc is primarily used as a protective coating for steel (galvanization) to prevent corrosion. It is also an essential element in the production of brass, bronze, and other alloys. Zinc finds applications in batteries, electrical components, roofings, cosmetics, and as a nutrient supplement.
Nickel: Nickel is used extensively in the production of stainless steel, providing resistance to corrosion and heat. It is employed in industrial machinery, chemical plants, food processing equipment, electronics, and batteries. Nickel is also utilized in alloying with other metals for specialized applications.
Lead: Despite concerns about its toxicity, lead still finds practical applications. It is used in batteries, such as those in automobiles, uninterruptible power supplies (UPS), and for backup power. Lead is also employed in radiation shielding, ammunition, soldering, and as a construction material.
These are just a few examples, and there are numerous other metals with practical applications in modern society, including gold, silver, platinum, aluminum alloys, magnesium, tungsten, and many more.