sentence: Tires are made of different types of rubber.
sentences_after: Softer rubber is used in summer or when the tires need better traction, for example, in auto racing. Tires made of harder rubber are made for long lasting performance, like long-distance truck carriers. There are many different types of tires. They come in different sizes and have different tread patterns.
concept_name: tire
headings: Tire Construction
categories: Auto parts Polymers