A: Businesses drug test their applicants and employees to minimize their exposure to. the risks of workforce drug use. While all drug test specimen types â urine, oral fluid. and hair â have their advantages, urine drug testing is by far the most flexible and.
How to Interpret Hose & Tube Dash Sizes. People new to hydraulic and pneumatic industries often ask about what is a hose or tube dash size. Simply put, a dash size refers to a diameter of a hose or tube in 1/16 increments. For example, -6 hose would indicate a hose with inside diameter of 6/16 - or 3/8. In another example, a -10 tube would indicate a tube with an outside diameter of 10/16 - or 5/8.
For hose lengths longer than 100 feet, friction loss in the hose should be considered. Friction loss of a 100-foot, 1-inch hose, all synthetic, with volume rate of 15 gallons per minute, is typically 4 to 9 pounds per square inch.