Audio book of Plumber Apprentice resources. Line A: Safe Work Practices by Camosun College, used under CC BY. The Trades Access Common Core resources are licensed under the Creative Commons Attribution 4.0. Line B: Use Tools and Equipment by Camosun College, used under CC BY. The Trades Access Common Core resources are licensed under the Creative Commons Attribution 4.0. Line C: Use Mathematics and Science by Camosun College, used under CC BY. The Trades Access Common Core resources are licensed under the Creative Commons Attribution 4.0. To learn more about BCcampus Open Education, visit www.bccampus.ca.