: It is created by heating organic matter in the absence of oxygen. While often used interchangeably with asphalt, "true" tar typically has a woody or coal origin, whereas asphalt is petroleum-based. Historical Impact :
Beyond heavy industry, tar has significant biological and medical applications: Making Pottery with Tar Paper - FREE TEMPLATES! : It is created by heating organic matter
: Massive tar production kilns were essential for the Vikings, providing the sealant needed to protect their wooden ships from rot. : Massive tar production kilns were essential for
: Native Americans, such as the Chumash, used natural tar seeps to waterproof boats (tomols), seal water bottles, and even weigh down grass skirts. It also has niche uses in art, such
: Today, tar is vital for road paving, roofing, and as a binding agent in construction. It also has niche uses in art, such as providing templates for pottery. 2. Medicine and Science