School Division, Sun West. "PAA - Under Water Welding". OER Commons. Institute for the Study of Knowledge Management in Education, 26 Oct. 2018. Web. 25 Aug. 2024. <https://resourcebank.ca/authoring/1431-paa-under-water-welding>.
School Division, S. (2018, October 26). PAA - Under Water Welding. OER Commons. Retrieved August 25, 2024, from https://resourcebank.ca/authoring/1431-paa-under-water-welding.