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2. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   At that point, the acetylene is being completely burned in the welding oxygen and surrounding air. [5] The flame is chemically neutral. The two parts of this flame are the light blue inner cone and the darker blue to colorless outer cone. The inner cone is where the acetylene and the oxygen combine.

3. 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.

4. Immediately dangerous to life or health - Wikipedia

   en.wikipedia.org/wiki/Immediately_dangerous_to...

   The OSHA definition is arguably broad enough to include oxygen-deficient circumstances in the absence of "airborne contaminants", as well as many other chemical, thermal, or pneumatic hazards to life or health (e.g., pure helium, super-cooled or super-heated air, hyperbaric or hypo-baric or submerged chambers, etc.).

5. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   Air acetylene welding (321) AAW Chemical welding process, not popular Limited Oxyacetylene welding: 311: OAW Combustion of acetylene with oxygen produces high-temperature flame, inexpensive equipment Maintenance, repair Oxygen/Propane welding 312: Gas welding with oxygen/propane flame Oxyhydrogen welding: 313: OHW

6. Talk:Oxy-fuel welding and cutting/Archive 1 - Wikipedia

   en.wikipedia.org/wiki/Talk:Oxy-fuel_welding_and...

   6 comments Toggle Cutting / welding subsection. 2.1 Shut off oxygen first or acetylene first? 3 Instructional content. 9 comments. 4 RfM. 1 comment. 5 Mediation. 6 ...

7. Process Safety Management (OSHA regulation) - Wikipedia

   en.wikipedia.org/wiki/Process_Safety_Management...

   Process Safety Management of Highly Hazardous Chemicals is a regulation promulgated by the U.S. Occupational Safety and Health Administration (OSHA). [1] It defines and regulates a process safety management (PSM) program for plants using, storing, manufacturing, handling or carrying out on-site movement of hazardous materials above defined amount thresholds.