Controlled Substances Act. An Act to amend the Public Health Service Act and other laws to provide increased research into, and prevention of, drug abuse and drug dependence; to provide for treatment and rehabilitation of drug abusers and drug dependent persons; and to strengthen existing law enforcement authority in the field of drug abuse.
What Is Polycarbonate ? The Stuff They Use For The Lenses In Sunglasses, Safety Glasses And Goggles. Polycarbonates are a particular group of thermoplastics. They are easily worked, molded, and thermoformed; as such, these plastics are very widely used in modern manufacturing.
Add to Favorites. 1  Material: Polycarbonate lens. 2  Provides superior protection against nuisance dust, flying particles and liquid splash. 3  Available in two styles, perforated for impact applications, chemical/splash for liquid/impact applications.