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<p>A drilling rig is a kind of drilling, drilling holes, drilling underground caves, leaking water, sampling and mining underground minerals and other work of mechanical equipment, it can help people to complete a variety of geological work, including drilling, surveying, sampling, mining minerals and so on. The function of drilling machine is to dig, drill and sample on the surface or underground by rotating the drill bit or mechanism, and can install various equipment in the rock. In addition, the rig can also be used for landslide control, rock loss control, ground subsidence prevention and other work.#<a title="Drilling Machine" href="https://www.easiahome.com/overview-of-drilling-machine/">Drilling Machine</a></p>