Phone

The telephone: not merely a useful gadget to decorate a desk, but a national and international communications network.

– Narrator

All animals communicate. But unique to man is speech. Language: Direct, rich and versatile. But even speech isn’t perfect.

– Narrator

Dialling incorrectly with a pen or forcing the dial back is obvious bad telephone usage. Wrong numbers waste others time, and your own. Don’t guess - look them up.

– Narrator