| SkillCat: Personal Safety and Work Practices |
| SkillCat: Piping |
| SkillCat: Plumbing Codes |
| SkillCat: Plumbing Demolition |
| SkillCat: Plumbing Fixtures |
| SkillCat: Preparing Site Reports and Documentations |
| SkillCat: Preventing Slips, Trips, and Falls |
| SkillCat: Proper Lifting and Moving (Back Safety) |
| SkillCat: PTAC Unit Basics |
| SkillCat: Ranges Basics |
| SkillCat: Reading Electrical Drawings & Blueprints |
| SkillCat: Reading HVAC Drawings and Blueprints |
| SkillCat: Reading Piping Prints |
| SkillCat: Refrigeration Equipment |
| SkillCat: Refrigeration Theory |
| SkillCat: Refrigerators - Basic Troubleshooting and Maintenance |
| SkillCat: Residential Water Heaters |
| SkillCat: Routine Maintenance: Residential Systems |
| SkillCat: Safety Basics |
| SkillCat: Seasonal Overhauls for Chillers |
| SkillCat: Soldering |
| SkillCat: Sump Pumps and Sewage Ejector Pumps |
| SkillCat: Toilet Troubleshooting and Replacement |
| SkillCat: Trade Math |
| SkillCat: Troubleshooting Air Handling Units |
| SkillCat: Using A Multimeter |
| SkillCat: Vehicle Safety |
| SkillCat: Walk-in Freezers Basics |
| SkillCat: Washers Basics |
| SkillCat: Washing Machines - Installation and Maintenance |
| SkillCat: Wiring Diagrams |
| Spark: Advanced Closing Techniques - Body Language: What You're Really Saying |
| Spark: Advanced Closing Techniques - Buying Signals: Know When to Close |
| Spark: Advanced Closing Techniques - Find Your Role |
| Spark: Advanced Closing Techniques - Make It Yours |
| Spark: Advanced Closing Techniques - Storytelling: Make it Stick |
| Spark: Advanced Closing Techniques - The Pause: Your Secret Closing Tool |
| Spark: Advanced Telephone Techniques - Closing the Call: Leave the Door Open |
| Spark: Advanced Telephone Techniques - Control the Call: Lead Without Dominating |
| Spark: Advanced Telephone Techniques - First Impressions: Sound Like Someone Worth Talking To |
| Spark: Advanced Telephone Techniques - Keep It Real: Avoid Script Mode, Stay Human |
| Spark: Advanced Telephone Techniques - Stop The Freeze: Ask Questions That Keep the Call Moving |
| Spark: Advanced Telephone Techniques - The Online Tour Trap: Sell the Call, Not the Link |
| Spark: Advanced Telephone Techniques - Trust Over Time: Build Rapport in Under 60 Seconds |
| Spark: Best Practice - Can You Waive My Late Fee? |
| Spark: Best Practice - Hi (Maintenance Tech), Can I Give You My Service Request? |
| Spark: Best Practice - Is This a Safe Place to Live? |
| Spark: Best Practice - My Neighbor Smokes, and I Can Smell It In My Apartment |
| Spark: Best Practice - The Noise from My Neighbor Is Driving Me Crazy |
