Here are some horizontal directional drill (HDD) techniques when working with hard rock. Working Conditions: Hard Rock. -Step 1: Pilot Bore. Tool: Dual Rod Drill Head. Technique: Position Bent Sub for Steering. -Step 2: Pullback. Tools: Hole Opener, Swivel. -Result: Bore Complete.Continue Reading
Bible verse of the day
But the wisdom that is from above is first pure, then peaceable, gentle, and easy to be intreated, full of mercy and good fruits, without partiality, and without hypocrisy.