edge-melting machine
71Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
72Shearing (manufacturing) — Shearing, also known as die cutting,[1] is a process which cuts stock without the formation of chips or the use of burning or melting. Strictly speaking, if the cutting blades are straight the process is called shearing; if the cutting blades are …
73One Canada Square — A view of One Canada Square, the second tallest building in the United Kingdom. Record height Tallest in the United …
74Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… …
75Stellite — alloy is a range of cobalt chromium alloys designed for wear resistance. It may also contain tungsten and a small but important amount of carbon. It is a trademarked name of the Deloro Stellite Company and was invented by Elwood Haynes [… …
76Titanium nitride — (titaniumnitrogen) (sometimes known as Tinite or TiNite) is an extremely hard ceramic material, often used as a coating on titanium alloy, steel, carbide, and aluminium components to improve the substrate s surface properties. Applied as a thin… …
77List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
78Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …
79WAR AND WARFARE — TO THE DESTRUCTION OF THE FIRST TEMPLE The methods of offensive and defensive warfare developed side by side in the Ancient Near East. The development of weapons was dependent upon the supply of raw materials, such as stone, metal, and wood; the… …
80Doctor Octopus — This article is about the first Doctor Octopus, Otto Octavius. For the second Doctor Octopus, see Lady Octopus. Doctor Octopus Doctor Octopus drawn by John Romita Jr. Publication information …
