In Humber’s Plumbing Techniques Apprenticeship program, students attend three levels of theoretical and practical (shop) training which includes, but is not limited to, instruction in workplace safety; pipe and fitting materials; pipe supports and hangers; tools and piping methods; plumbing fixtures; appliances and equipment; properties of water and heat transfer; trade calculations, construction drawings and job specifications; codes, regulations and standards; drainage, venting and waste piping systems; testing or water supply; and drainage, sewage disposal and water distribution systems.