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Heinrich's classic work was refuted by a 1980 book Industrial Accident Prevention, by Nestor Roos, H Heinrich, Julienne Brown and Dan Petersen. [6]Heinrich Revisited: Truisms or Myths by Fred A. Manuele, CSP, PE [2002, ISBN 0-87912-245-5 published by National Safety Council offers the following in the last chapter.
February 28 – Crude oil spilled from a ruptured pipeline leading to storage tank in Oklahoma City, Oklahoma. Some teen boys in the area saw crude oil bubbling out of manhole covers, and thought that igniting the oil would be a good idea. This caused a string of sewer explosions, causing manhole covers to fly 10 feet (3.0 m) into the air.
The accident triangle, also known as Heinrich's triangle or Bird's triangle, is a theory of industrial accident prevention. It shows a relationship between serious accidents, minor accidents and near misses. This idea proposes that if the number of minor accidents is reduced then there will be a corresponding fall in the number of serious ...
20th-century establishments in Oklahoma Territory (1 C) 0–9. 1900s in Oklahoma (7 C) ... 1920s in Oklahoma (14 C, 1 P) 1930s in Oklahoma (14 C, 1 P)
The Okmulgee Downtown Historic District is the original downtown area of Okmulgee, Oklahoma, roughly bounded by 4th Street, 8th Street, Okmulgee Avenue, and the Frisco tracks. [2] It was added to the National Register of Historic Places on December 17, 1992.
This is a list of rail accidents from 1920 to 1929 1920. March 9 – United Kingdom – A Lancashire and ... Oklahoma City (OK) Times, January 18, 1921, p. 2;
Map of Oklahoma City in 1920 Aerial view of Oklahoma City in 1926. The new city continued to grow at a steady rate until December 4, 1928, when oil was discovered in the city. Oil wells popped up everywhere, even on the south lawn on the capitol building, and the sudden influx of oil money within the city and throughout the state greatly ...
1920s Oklahoma elections (5 C) S. 1920s in sports in Oklahoma (10 C) Pages in category "1920s in Oklahoma" This category contains only the following page.