TOEIC ETS

**W**: Hi, Paul and Mark. Uh, you've already installed the electrical wiring in the new classrooms on the west end of the building, right? **M**: Yes, we're almost finished. Is there a problem? **W**: Well... there's just a last-minute change. The school district has decided that each classroom should have a projector mounted on the ceiling. **M**: That's really frustrating. We'll have to redo some of the connections so that we can run wiring through the ceilings. **M**: That's going to take more time. Maybe another week or so. **W**: That's OK. Here are the new blueprints for the classroom design. I'd like you to look them over and let me know if you have any questions.

Who most likely are the men?