1.   Dunn, which is based in Burton-on-Trent, specialises in maintenance work in the electricity industry.

2.   Engineers are carrying out essential maintenance work on the main line to Cambridge.

3.   Next year two-thirds of all motorway maintenance work will be carried out in this way.

4.   The fault was discovered during routine maintenance work.

5.   The workshops at Kingsmere carry out all maintenance work on the railway as well as building its rolling stock.

6.   Usually maintenance work is carried out during the course of repairs following a breakdown.

7.   ...maintenance work on government buildings.

8.   Please would you investigate and arrange for the necessary maintenance work to be put in hand.