Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch … Wikipedia
Zeppelin NT — NOTOC Infobox Aircraft name=NT caption= type=Utility airship national origin=Germany manufacturer=Zeppelin Luftschifftechnik designer= first flight=September avyear|1997 introduced= retired= status= primary user= more users= produced= number… … Wikipedia
SR Merchant Navy class — SR Merchant Navy class[1] Official Southern Railway photograph of 21C1 Channe … Wikipedia
SR Merchant Navy Class — Infobox Locomotive powertype=Steam name = SR Merchant Navy ClassHarvey] caption = Official Southern Railway photograph of 21C1 Channel Packet as built, 1941. designer = Oliver Bulleid builder = SR Eastleigh Works builddate = 1941 ndash;1949… … Wikipedia
Thermal lance — cutting a railroad bridge to prepare for replacement. A thermal lance, thermic lance, oxygen lance, or burning bar is a tool that burns iron in the presence of pressurized oxygen to create very high temperatures for cutting. It consists of a long … Wikipedia
Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… … Wikipedia
SR West Country and Battle of Britain Classes — Infobox Locomotive powertype=Steam name = SR Un rebuilt West Country/Battle of Britain Classes Herring, pp. 160 ndash;161] caption = Un rebuilt West Country Class 21C123 Blackmoor Vale , as preserved, in Southern Railway Malachite Green and… … Wikipedia
Aluminothermic reaction — Aluminothermic reactions are exothermic chemical reactions using aluminium as the reducing agent at high temperature. The most prominent example is the thermite reaction.eg: Fe2O3 + 2Al = 2Fe + Al2O3 + HeatA common use of this reaction is the… … Wikipedia
Goldschmidt, Hans — ▪ German chemist byname of Johann Wilhelm Goldschmidt born Jan 18, 1861, Berlin died May 25, 1923, Baden Baden, Ger. German chemist who invented the alumino thermic process (1905). Sometimes called the Goldschmidt reduction process, this … Universalium
