41.  A cellulose-based paste is being applied to the gypsum deposits followed by a micro-sanding with fine alumina powder.

42.  A certain nervous expectation, incipient disappointment mitigated by professional Micawberism, is a more accurate description.

43.  A chamberlain showed them to their seats just beneath the high table, which was dominated by a pearl-encrusted silver salt cellar.

44.  A chance remark by one of his colleagues got him thinking.

45.  A change in this situation can only be brought about by a change in attitude throughout the profession.

46.  A character string consists of words separated by commas or spaces.

47.  A check of the ponds was in order because of both concern expressed by local citizens and normal operating procedure.

48.  A checklist completed by teachers will give a measure of the use of over two hundred activities in computer education lessons.

49.  A child was in hospital last night after being knocked down by a car.