Dumbbells can be made from a large number of materials. Usually, they consist of cast iron, coated with rubber, neoprene or paint, according to Adamant Barbell. However, they can also be made with many other materials, including concrete.Know More
Adamant Barbell explains that hex dumbbells are made out of cast iron, and rubber hex dumbbells are the same, but coated with rubber. Pro style dumbbells are made of solid steel and rubber pro style dumbbells are, again, just coated with rubber.
Dumbbells can be made, at home, by filling milk bottles with concrete, sand, rocks or water. However, this homemade equipment should be used carefully to avoid injuries.Learn more about Home Fitness Equipment
Pianos are typically made of wood, cast iron, steel and felt, among other materials. Wood alone constitutes more than 85 percent of the instrument. Player pianos and digital pianos also include mechanical and digital components.Full Answer >
The Pantheon, a 1,900-year-old Roman temple containing the world's largest free-standing dome, is made primarily of concrete, volcanic rock and granite. The most remarkable part, the rotunda and dome, is made of concrete that includes lightweight pumice as part of the aggregate.Full Answer >
Barbie dolls are made of polyvinyl chloride, synthetic fiber, elastomer, PBT and water-based paint. The materials used to make a Barbie has changed since the first Barbie was created in 1959. As of 2014, the soft vinyl, elastomer, and PBT provide more flexibility and realistic movement to the modern day Barbie. In the past, Mattel used porcelain to create the expensive, collector’s edition Barbie dolls.Full Answer >
Jewelry is most commonly made with metals such as gold, platinum, titanium, silver and stainless steel. Gold, silver and platinum are classified as precious metals, making them more valuable and desirable because they are less reactive, possess a higher luster and are easier to work with than most metals.Full Answer >