In DSM, nicotine dependence is included under the general definition of substance dependence.  The essential feature of Substance Dependence is a cluster of cognitive, behavioral, and physiologic symptoms indicating that the individual continues use of the substance despite significant substance-related problems.
Greenhouse Covering. Whether you're replacing existing greenhouse coverings or building a greenhouse you're sure to find the best greenhouse covering at FarmTek. Greenhouse glazing is the material that covers the greenhouse frame and the most widely used materials are polycarbonate and poly film.
Constructing a straw bale solar house requires the merging of solar design with alternative building techniques. Books are great for acquiring information on these topics quickly and easily, while videos are essential for showing the actual building methods and techniques firsthand.he Building With Awareness DVD and guidebook brings you the best of what both video and books have to offer. The award-winning DVD is inspiring and informative, with over five hours of material on every aspect of building a green home with straw bale and other natural materials.