To use an air compressor, place it on a flat surface, connect the hose and power tool, set the pressure based on your tool’s needs, and wear safety gear like goggles and ear protection. Remember to check oil (if needed), drain moisture from the tank after use, and store the compressor properly.
[pdf] DTH is short for “down-the-hole”. Since the DTH method was originally developed to drill large-diameter holes downwards in surface-drilling applications, its name originated from the fact that the percussion mechanism followed the bit down into the hole. Applications were later found for the DTH method underground, where the direction of drilling is generally upwards instead of downwards.
[pdf] Drilling derricks and Rig Masts consist of a steel framework with a square or rectangular cross-section. Their purpose is to support the hoisting equipment and rack the tubulars while tripping pipe. The numbe.
[pdf] 
