roller-bit drilling
11Шарошечное бурение — (a. roller bit drilling; н. Rollenmeiβelbohren, Bohren mit Rollenmeiβel, brechendes Bohren; ф. forage par tricones, forage par molettes, fraisage; и. perforacion por fresas, sondeo роr fresas, taladrado роr fresas) вращат. способ бурения… …
12tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
13Howard R. Hughes, Sr. — Howard Robard Hughes, Sr. (September 9, 1869 ndash; January 14, 1924) was an American entrepreneur, best known as the father of Howard Robard Hughes, Jr., the famous aviation pioneer and film producer. Hughes, Sr. created the fortune that Hughes …
14Eddie Chiles — Harrell Edmonds Eddie Chiles (May 11, 1910 ndash; August 22, 1993) was the founder of the Western Company of North America and an owner of the Texas Rangers. He was also the paternal uncle of actress Lois Chiles.Eddie Chiles was born in Itasca,… …
15Western Company of North America — From the 1940 s through the 1980 s, The Western Company of North America was one of the pioneers of the acidizing process, a method of improving the flow from gas and oil wells. In 1939, after working as a Sales Engineer with Reed Roller Bit… …
16Hughes Christensen — Hughes Christensen, a division of Baker Hughes Inc., is a large oil and gas drill bit company. Howard Hughes, Sr. founded the company early in the 20th century. His two cone, rolling cutter rock bit whose patent was issued by the US Patent Office …
17Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
18Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
19Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …
20Diamond tool — A close up of the segment of a diamond saw blade A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method.[1] As diamond is a superhard material, diamond tools have… …
