Competitive Service versus Excepted Service Positions. There are two types of non-executive positions in the federal government: 1) those that are in the competitive service, and 2) those that are in the excepted service. Competitive Service â Competitive service positions are subject to the civil service laws passed by Congress.
Post to Facebook. Kevlar inventor Stephanie Kwolek dies at 90 Stephanie Kwolek, the DuPont scientist whose invention, Kevlar, has saved countless lives as the essential ingredient in body armor, has died. Kwolek, of the Sharpley neighborhood in Talleyville, died Wednesday following a brief illness, said her friend, Rita Vasta, who is handling Kwolek's affairs. She was 90.
1 1873: American engineer George Brayton developed a two-stroke kerosene engine. 2  It is considered to be the first safe and practical oil engine. 3  1876: Nikolaus August Otto patented the first four-stroke engine in Germany. 4  1885: Gottlieb Daimler invented the prototype of the modern gasoline engine. 1873: American engineer George Brayton developed a two-stroke kerosene engine. 2  It is considered to be the first safe and practical oil engine. 3  1876: Nikolaus August Otto patented the first four-stroke engine in Germany. 4  1885: Gottlieb Daimler invented the prototype of the modern gasoline engine.