1.   It is backbreaking, monotonous and requires skill.

2.   Many books on furniture making are too technical or require artistic skills.

3.   Such control requires expertise in research and development, production and quality control - and all these require skills in chemistry.

4.   The complex patterns of classroom organization associated with the versions of good practice commended in Leeds require considerable skill on the part of the teacher.

5.   Working only with dementia sufferers in their own homes requires special skills, but also is taxing on patience and anxiety provoking.

6.   And a campaign for president requires skills different from those most useful in the Senate.

7.   And writing them does require linguistic skills, if of a new variety.

8.   And, it is still difficult to find qualified people to fill service positions that require unique skills.

9.   All of these capabilities required the skills of expensive programmers.

10.   All of the Reserves have increased signing bonuses, especially for slots that require speciality skills.