All employees that drive a truck-mounted attenuator (TMA) will. be trained in the proper methods of installation, transporting, setup, operations, and preventative maintenance of the unit. To. ensure that an employee understands his/her responsibility, every. operator must successfully demonstrate the proper methods.
Pi is the ratio of the circumference of a circle to its diameter. It is known to be irrational and its decimal expansion therefore does not terminate or repeat. The first 40 places are: 3.14159 26535 89793 23846 26433 83279 50288 41971...
Pi is a number that is approximately equal to 3.14. It is the number you get if you divide the circumference of any circle by its diameter. It's the same for all circles. You can approximate pi for yourself by taking some circular things like the tops of jars and CD's and frisbees and measuring their diameter and their circumference.