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2. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   Oxygen-rich butane torch flame Fuel-rich butane torch flame Cutting a rail just before renewing the rails and the ballast Cutting is initiated by heating the edge or leading face (as in cutting shapes such as round rod) of the steel to the ignition temperature (approximately bright cherry red heat) using the pre-heat jets only, then using the ...

3. Flashback arrestor - Wikipedia

   en.wikipedia.org/wiki/Flashback_arrestor

   The flashback arrestors are suitable for most technical gases (fuel gases) such as acetylene, hydrogen, methane, propane, propylene and butane as well as oxygen and compressed air. Flashback arrestors have to be tested for gas non-return, for tightness and for gas flow by a qualified person depending on the country specific regulations.

4. Oxy-fuel combustion process - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_combustion_process

   Almost all of the nitrogen is removed from input air, yielding a stream that is approximately 95% oxygen. [3] Firing with pure oxygen would result in too high a flame temperature, so the mixture is diluted by mixing with recycled flue gas, or staged combustion. The recycled flue gas can also be used to carry fuel into the boiler and ensure ...

5. MAPP gas - Wikipedia

   en.wikipedia.org/wiki/MAPP_gas

   A set of MAPP and oxygen cylinders is used for oxy-fuel welding and cutting.. MAPP gas was a trademarked name, belonging to The Linde Group, a division of the former global chemical giant Union Carbide, for a fuel gas based on a stabilized mixture of methylacetylene (propyne), propadiene and propane.

6. BernzOmatic - Wikipedia

   en.wikipedia.org/wiki/BernzOmatic

   The company manufactures handheld torches and accessories, especially gas burner torches using fuel cylinders containing butane, propane, MAPP gas, and oxygen for soldering, brazing, and welding. Its trademark torch packs include Basic Use, Multi-Application, and Specialty. Its products include torches, fuel cylinders, kits, solders and ...

7. Trump's Mexican tariffs threaten to make life more difficult ...

   www.aol.com/trumps-tariffs-hard-automakers-mdash...

   Donald Trump's announcement of 25% levies on imports from Mexico casts more doubt on Tesla's planned factory south of the border.