How to use a micro screw air compressor

The Micro Oil Screw Air Compressor uses two rotors (screws) that rotate in opposite directions. As the screws turn, air is drawn in and compressed. The oil injected into the system lubricates and cools the compressor element while also sealing the gap between the screws. [pdf]

How to use the rock drill

You will need a hammer drill to work with a rock. These impressive tools can come in one hand and two hand formats and are designed to use a “hammering action” to drill through the most difficult of materi. [pdf]