Creosote particularly used in dentistry to destroy tissues and arrest necrosis. Coal-tar creosote is the most widely used wood treatment today; both industrially, processed into wood using pressure methods such as "full-cell process" or "empty-cell process", and more commonly applied to wood through brushing. In addition to toxicity to fungi, insects, and marine borers, it serves as a natural water repellant. It is commonly used to preserve and waterproof cross ties, pilings, telephone poles, power line poles, marine pilings, and fence posts. Although suitable for use in preserving the structural timbers of buildings, it is not generally used that way because
Tar "Burmese Oil" or "Burmese Naphtha", is also a form of petroleum. Oil Sands, almost exclusively produced in Alberta, Canada is colloquially referred to as "Tar Sands" however the oil sands is composed of bitumen. Note, similar heavy crude grades from Venezuela are not referred to as "Tar Sands" by Wikipedia or the environmental community. In Northern Europe, the word "tar" refers primarily to a substance that is derived from the wood and roots of pine. In earlier times it was often used as a water repellent coating for boats, ships, and roofs. It is still used as an additive in