safe drilling
81Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with …
82Speeds and feeds — A line drawing showing some basic concepts of speeds and feeds in the context of lathe work. The angular velocity of the workpiece (rev/min) is called the spindle speed by machinists. Its tangential linear equivalent at the tool cutter interface… …
83Dolaucothi Gold Mines — The Dolaucothi Gold Mines (grid reference SN662403), also known as the Ogofau Gold Mine, are Roman surface and deep mines located in the valley of the River Cothi, near Pumsaint, Carmarthenshire, Wales. The gold mines are located within the… …
84Paul Hackett — Paul Lewis Hackett III (born March 30, 1962) is a lawyer and veteran of the Iraq War who unsuccessfully sought election to the United States Congress from the Second District of Ohio ( [http://nationalatlas.gov/printable/images/pdf/congdist/OH02… …
85Emergency vehicle lighting — refers to any of several visual warning devices, which may be known as light bars or beacons, fitted to a vehicle and used when the driver wishes to convey to other road users the urgency of their journey, to provide additional warning of a… …
86Steven Chu — 12th United States Secretary of Energy Incumbent Assumed office January 21, 2009 Preside …
87Marathon Man (film) — Marathon Man Movie poster by Bill Gold Directed by John Schlesinger Produced by …
88Energy in Victoria — The State of Victoria, Australia uses many forms of energy for domestic, commercial, and industrial uses. The main energy source today is brown coal, which is one of the highest sources of climate change, sea level rise and global warming causing …
89Canada's Worst Handyman 3 — Infobox Television show name = Canada s Worst Handyman 3 caption = format = Reality television camera = picture format = audio format = runtime = 60 minutes (including commercials) creator = developer = Proper Television producer = executive… …
90Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
