1. Lecture Theatre A/V equipment including slide projectors, cine projectors and P/A system.

2. Before long an emergency announcement came over the P.A. system: "This hotel is constructed to be absolutely earthquake-proof. There is no danger of the building collapsing.

3. Before long an emergency announcement came over the P.A. system: "This hotel is constructed to be absolutely earthquake-proof.

4. A Port Authority official came over the P.A. system and urged people to stay at their desks.

5. I sold most of my gear, including my P.A. system, flute, and keyboard, for pennies on the dollar.

6. Every morning Weinstein would announce various good deeds over the p.a. system and she solicited prizes form local merchants and restaurants.