Can you explain your experience with using pressure washers or steam cleaners for drain cleaning?

How do you prioritize drain repair tasks based on urgency or severity of the issue?

Have you ever had to work on drain systems affected by tree roots or other natural obstructions? If so, how did you address the issue?

Can you describe a time when you had to work collaboratively with other tradespeople on a construction project involving drain systems?

How do you stay organized and manage your inventory of plumbing supplies and materials?

Are you familiar with using trenchless technology for drain repairs? If so, can you explain the process?

Can you explain your approach to estimating costs and providing accurate quotes for drain repair services?

How do you handle customer complaints or conflicts during drain repair projects?

Have you ever trained or mentored junior Drain Technicians? If so, how did you approach the role?

Can you explain the process of drain pressure testing and its importance in identifying leaks or weaknesses?