1.   A further difficulty is the impossibility of including all criminal acts in a questionnaire or interview.

2.   Another difficulty is that the various methods of measuring the lag are subject to severe criticisms.

3.   At first the difficulty was with the mahouts rather than the koonkies.

4.   At this level there is no difficulty about incorporating electricity and magnetism into the Newtonian scheme.

5.   But their first difficulty is to define class.

6.   If there is severe difficulty in breathing - shortness of breath, wheezing, laboured, rapid or shallow breathing.

7.   In addition there are difficulties associated with trials relating to incidents which happened in times long gone by.

8.   The building was owned by Orkney Islands Council, but there seemed to be no difficulty in securing a temporary tenancy.