| Interplay Learning - Plumbing Fixtures Overview |
| Interplay Learning - Plumbing Maintenance |
| Interplay Learning - Plumbing Materials Overview |
| Interplay Learning - Plumbing Safety |
| Interplay Learning - Plumbing Welcome Assessment |
| Interplay Learning - Pneumatics Introduction |
| Interplay Learning - Pneumatics Troubleshooting |
| Interplay Learning - Pool Water Chemistry and Balancing |
| Interplay Learning - Powder-Actuated Tools Overview |
| Interplay Learning - Power Distribution, Delta, and Wye Systems |
| Interplay Learning - Power Grid Introduction |
| Interplay Learning - Power Tools for Plumbing Work |
| Interplay Learning - Power Transmission Introduction |
| Interplay Learning - Powered Industrial Trucks (PIT) Introduction |
| Interplay Learning - Practical Geometry for Plumbing |
| Interplay Learning - Practical Measurement for the Trades |
| Interplay Learning - Pre-trip Vehicle Inspection |
| Interplay Learning - Preventing Slips, Trips, and Falls |
| Interplay Learning - Principles of Backflow |
| Interplay Learning - Psychrometrics |
| Interplay Learning - Rack Refrigeration System and Case Troubleshooting |
| Interplay Learning - Radiation Safety |
| Interplay Learning - Ranges Overview |
| Interplay Learning - Reading Plumbing Plans |
| Interplay Learning - Reading Schematics and Drawings |
| Interplay Learning - Receptacle Replacement |
| Interplay Learning - Reciprocating Chiller Startup and Recovery |
| Interplay Learning - Refrigerants Overview |
| Interplay Learning - Refrigeration System Accessories |
| Interplay Learning - Refrigerator Troubleshooting |
| Interplay Learning - Refrigerator Troubleshooting Assessment Simulation |
| Interplay Learning - Refrigerators Overview |
| Interplay Learning - Repairing Drywall |
| Interplay Learning - Replacing Carpet Tile |
| Interplay Learning - Replacing Ceiling Tiles |
| Interplay Learning - Residential A/C Troubleshooting |
| Interplay Learning - Residential A/C Troubleshooting Assessment Simulation |
| Interplay Learning - Residential Ducted A/C and Heat Pump Installation |
| Interplay Learning - Residential Generator Installation |
| Interplay Learning - Residential HVAC Controls |
| Interplay Learning - Residential Hydronic Heating Systems Introduction |
| Interplay Learning - Residential Plumbing Introduction |
| Interplay Learning - Residential PVC/ABS Pipe Joining Methods Lab |
| Interplay Learning - Residential Split A/C System Commissioning |
| Interplay Learning - Restroom Cleaning |
| Interplay Learning - Roofing Safety |
| Interplay Learning - Rooftop Unit Maintenance |
| Interplay Learning - Rooftop Unit Troubleshooting |
| Interplay Learning - Rooftop Unit Troubleshooting Assessment Simulation |
| Interplay Learning - Scissor Lift Safety |
