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* Moody, John. ''The Railroad Builders: A Chronicle of the Welding of the States'' (1919), popular [http://onlinebooks.library.upenn.edu/webbi

...manufactured gases in small volume, high pressure cylinders for medical, [[welding]] and other uses.

...munism|communist]] movement, which he and Friedrich Engels invigorated by welding together a disparate collection of local organisations, and providing them

...ock waves to pulverize kidney stones, gallstones, and the like. Explosive welding is another area related to manufacturing.

* [[Pattern welding]]

Other use of hydrogen is in high temperature welding. Further, it is used as rocket fuel. Since the density of air is about 15 t

* fuel for small soldering and welding torches

...rnia''; John Moody’s 1919 work ''The Railroad Builders: A Chronicle of the Welding of the States referred'' to "the American railroad problem" wherein the men