to drive a borehole
41Oil shale — For the scientific technical journal, see Oil Shale (journal). Not to be confused with Shale oil or Tight oil. Oil shale Sedimentary Rock Combustion of oil shale Composition …
42OPEC — Organization of Petroleum Exporting Countries …
43Open-pit mining — El Chino, located near Silver City, New Mexico, is an open pit copper mine …
44Submersible pump — A submersible pump is a pump which has a hermetically sealed motor close coupled to the pump body. The whole assembly is submerged in the fluid to be pumped. The advantage of this type of pump is that it can provide a significant lifting force as …
45Dudley — For the larger local government district, see Metropolitan Borough of Dudley. For other uses, see Dudley (disambiguation). Coordinates: 52°30′43″N 2°05′45″W / …
46Bottled water — is drinking water packaged in bottles for individual consumption and retail sale. The water can be glacial water, spring water, well water, purified water or simply water from the public water supply (tap water). [ [http://www.rd.com/special… …
47ROP — or RoP may stand for:* Ranger Orientation Program, a training program in the United States Army to train soldiers to be leaders in the 75th Ranger Regiment * Raster OPerator, in computer science, a raster graphics function used (per pixel) in a… …
48Petronas — For the Byzantine nobleman and general, see Petronas the Patrician. Not to be confused with the Brazilian oil company Petrobras. Petroliam Nasional Berhad (PETRONAS) Type Government owned corporation …
49Geothermal heating — has been used since the time of the Roman Empire as a way of heating buildings and spas by utilizing sources of hot water and steam that exist near the Earth s surface. [Climate.Org Renewable Energy: Geothermal,… …
50Sinopec — China Petroleum Chemical Corporation Limited 中国石油化工股份有限公司 Type Public (SSE: 600028, SEHK:  …
