Example sentences of "[verb] and are usually " in BNC.

  Next page
No Sentence
1 Characteristically , the data used may be more difficult to obtain and are usually more spatially aggregated ; modelling software which permits feedback loops is essential ;
2 There are several types available ; those containing methylene chloride are quick acting and are usually free from caustic or acid and will not harm the wood .
3 Faults in method need to be investigated and are usually due to inadequate contact time or use of a chemical outside the temperature range in which it operates efficiently or a combination of both .
4 Stopvalves are stamped with arrows showing which way round they should be fitted and are usually supplied with compression fittings .
5 All pensions are carefully chosen and are usually family run .
  Next page