But other factors are at work, such as the process involved in refining that material to make it useful and the demand for the products that can be made from it. Learn: 3 Types of Investments ...

Natural materials, such as wool and wood, come from living things or the ground. Synthetic materials, like plastic, are made from chemicals. Materials have different properties that make them ...

When it comes to choosing a roof for your home or business, one of the most important decisions you’ll make is the material.