听力原文：W: Ah, good mooring. It's Mr. Robinson, isn't it? M: Yes. W: Have a seat. M: Thank you. W: OK, I've got your letter of application. Now, as you know, when you apply for a post with our company, we need to find out a few things about both your academic background and recent work experience. M: Sure. W: First of all, A levels? M: Yes, I've got three: geography, maths and physics. W: Geography, maths and physics, OK. And what about your degree? M: I went to Manchester University and got an engineering degree, with water management as my specialization. W: Ah, aha, I see. M: And as for work experience, I started out after graduating in 1996 in India, working for the India government. W: Did you work as a volunteer? M: No, it was a three-year water irrigation project. W: That sounds fascinating. How did you organize that.'? You say it was a British company then. M: No, no, my university had links with an Indian engineering university, so it was organized that level. W: And after that?. M: Then I came back, moved to Sheffield and had been working with Lattimer Engineering since then. W: And what exactly are you doing for Lattimer?. M: I'm working in water irrigation again, this time as a project research assistant. W: Great, I've got your details. Now let's move on to more general discussion about what we're looking for here... At the university Mr. Robinson specialized in ______.