13.5 References
Stephanie Oostman
Arcair. (2010, November 4). Air carbon-arc guide (Form No. 89-250-008). https://www.rapidwelding.com/files/Arcair%20Air%20Carbon-Arc%20Gouging%20Guide.pdf
Arcair. (n.d.). Invention of a unique metal removal process. https://www.cigweld.com.au/about-us/our-brands/arcair/
Hobart Institute of Welding Technology. (2009). Welding guide.
Jeffus, L. F. (2012a). Welding: Principles and applications (7th ed.).
Jeffus, L. F. (2012b). Welding and metal fabrication. Delmar.
Miller Welders. (2020, April 21). The history of welding. https://www.millerwelds.com/resources/article-library/the-history-of-welding
Wikipedia. (2023). Atomic hydrogen welding. https://en.wikipedia.org/w/index.php?title=Atomic_hydrogen_welding&oldid=1169890516
