Англо-русский словарь промышленной и научной лексики. 2014.
Drilling — For other uses, see Drilling (disambiguation). Drilling is a cutting process that uses a drill bit to cut or enlarge a hole in solid materials. The drill bit is a multipoint, end cutting tool. It cuts by applying pressure and rotation to the… … Wikipedia
Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia
History of mental disorders — The history of mental disorder spans prehistoric times, ancient civilisations, the Middle Ages, the early modern period, the enlightenment and modern times.Prehistoric timesThere is limited evidence by which to judge the existence or nature of… … Wikipedia
