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.
Safety glass is a stronger, safer version of ordinary glass. It is often used in locations where human harm due to breakage is likely, such as cars and low windows. It is found in the following two forms: Laminated safety glass is commonly found in car windshields. It is produced by bonding a resin or a thin, transparent plastic film, known as PVB, between multiple sheets of ordinary glass. The effect of this process is that, when shattered, the glass will adhere to the plastic sheet and be held in place.