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.
Plexiglas is often chosen as an replacement material to mineral glass (also called flat glass, Borosilicate glass or Echtglas in German). PlexiglasÂ© (which is a brand name for acrylic) and mineral glass are both transparent building materials. Differences in the properties of the two materials include: Acrylic glass transmits more light than glass. Up to 92% of visible light is transmitted through acrylic.