Applied Math  
Introduces trainees to math concepts they will use on the job, including weights and measures, area and volume, temperature, pressure, and force. Also reviews the six simple machines: inclined planes, levers, pulleys, wedges, screws, and wheels and axles.  

Sizing Water Supply Piping  
Teaches techniques for sizing water supply systems, including calculating system requirements and demand, developed lengths, and pressure drops. Also reviews the factors that can reduce efficiency of water supply piping.

Potable Water Treatment
Explains how to disinfect, filter, and soften water supply systems. Discusses how to troubleshoot water supply problems, flush out visible contaminants from a plumbing system, and disinfect a potable water plumbing system.

Backflow Preventers
Introduces the different types of backflow prevention devices and discusses how they work, where they are used, and how they are installed.

Types of Venting
Reviews the different types of vents that can be installed in a DWV system and how they work. Also teaches design and installation techniques.

Sizing DWV and Storm Systems
Explains how to calculate drainage fixture units for waste systems. Reviews how to size drain, waste, and vent (DWV) systems; storm drainage systems; and roof storage and drainage systems.

Sewage Pumps and Sump Pumps
Discusses the installation, diagnosis, and repair of pumps, controls, and sumps in sewage and storm water removal systems.

Corrosive-Resistant Waste Piping
Discusses corrosive wastes and reviews related safety issues and hazard communications. Discusses how to determine when corrosive-resistant waste piping needs to be installed, as well as how to correctly select and properly connect different types of piping.

Compressed Air 
Explains the principles of compressed air systems and describes their components and accessories. Reviews installation and periodic servicing of air compressor systems.