Sticky bomb Sticky bomb The grenade, hand, anti-tank No. 74, commonly known as the S.T. grenade or sticky bomb, was a British hand grenade designed and produced during the Second World War. The grenade was one of a number of anti-tank weapons developed for use by the British Army and Home Guard as an "ad hoc" solution to a lack of sufficient anti-tank guns in the aftermath of the Dunkirk evacuation. Designed by a team from MIR(c) including Major Millis Jefferis and Stuart Macrae, the grenade consisted of a glass sphere containing an explosive made of nitroglycerin and additives (this added stability
History of the iron and steel industry in the United States 2014, only 11 integrated mills were operating in the US. Most of the steel produced has been by the growing number of mini-mills, also called specialty mills, which in 2014 numbered 113. In 1981, mini-mills produced an estimated 15% of US steel. Since 2002, steel produced by electric arc furnace, the process used by the mini-mills, has produced more than half the steel made in the US. Many companies operating integrated mills also have mini-mills. A number of bankruptcies and acquisitions between 2000 and 2014 reversed the trend of industry fragmentation. In 2000, the top three steelmakers (Nucor, US Steel,