Cable and cable TV line with a PVC pipe
First look at its size, is how much, doing the isosceles triangle line
Bridge elbow formula. Through the formula to do. Can be a full set of elbow elbow
The formula is not remembered. The good idea is to send R squared by 4 to the bottom of the metal area .2 send R divided by 4 by the angle of the circumference and then by the height of the arc edge area. Do the cable tray is almost right at right angles, but now have a good computer to do. Draw on CAD can be measured, but need to calculate the loss in the inside.
