11.   The invited speakers are either themselves practising in the clinical area or currently speaking or writing about childbirth matters.

12.   The keynote speaker was Robert Venturi, the architect.

13.   The plastic speaker was the size of a bedside clock radio.

14.   The speaker is conscious of the addressee, and the addressee is conscious of the speaker.

15.   The speaker is less likely to gulp for more air in mid-sentence.

16.   The speaker was cheered loudly when he called for a total ban on nuclear weapons.

17.   For a good stereo effect, the speakers should not be too wide apart.

18.   The guest speaker was wooden and uninspiring.

19.   The speakers are excellent and well worth the sticker price.

20.   The two guest speakers were Zygmunt Tyskiewicz, Secretary General UNICE, and Lord Astor, Government spokesman in the House of Lords for the Department of Heritage.