The goal of this effort was the design and analysis of multiple composite material tension specimens, which when loaded only with an inplane load, exhibit bend, torsion, and shear extension coupling. The coupling effects distinguish composite...
Construction workers -- Substance use -- United States; Construction workers -- Drug testing -- United States
A career in construction exposes a tradesperson to an ever changing environment with known as well as unknown hazards. Unfortunately one of the unknowns is the use of illicit substances and the abuse of legal medications by some of the workers. ...
