When the torch is moved from side to side, Fig. 7-7, more material is heated to the ignition temperature so that additional material is oxidized and blown out of the kerf.
"Welding: Principles and Practices", 6e - Edward R. Bohnart

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When the torch is moved from side to side, Fig. 7-7, more material is heated to the ignition temperature so that additional material is oxidized and blown out of the kerf.
"Welding: Principles and Practices", 6e - Edward R. Bohnart
The eyes must also be protected from the heat coming from the job.
"Welding: Principles and Practices", 6e - Edward R. Bohnart
The history of the iron and steel industry in North America extends back over 300 years, beginning with a successful ironworks in Saugus, Massachusetts, about 20 miles northeast of Boston. It operated from 1646 to 1670.
"Welding: Principles and Practices", 6e - Edward R. Bohnart
Commercial acetylene is made from calcium carbide, which is commonly referred to as carbide. Carbide is a gray, stonelike substance that is the product of smelting coke and lime in an electric furnace.
"Welding: Principles and Practices", 6e - Edward R. Bohnart
If a fire should occur, properly trained personnel should use dry sand, powdered graphite, or commercially available Metal-X* to extinguish the titanium.
*Metal-X is a registered trademark for powder produced by Ansul Manufacture in Marinette, Wisconsin.
"Welding: Principles and Practices", 6e - Edward R. Bohnart
9. Continue practice until the welds have the characteristics shown in Fig. 8-36 and are acceptable to your instructor.
"Welding: Principles and Practices", 6e - Edward R. Bohnart
5. The torch and filler rod should be held in about the same position as that used when welding a lap joint, Fig. 8-35.
"Welding: Principles and Practices", 6e - Edward R. Bohnart
Remember if you are left-handed, this would have been reversed as well as the backhand method.
"Welding: Principles and Practices", 6e - Edward R. Bohnart