21.   Hutagalung said the commission would also investigate whether mismatching was a contributory factor in the high death toll.

22.   In addition, smoking has also been a major contributory factor to the plaque-calculus build-up.

23.   Industry analysts point to other contributory factors.

24.   Profit taking by the investors was the contributory factor to the fall in the index.

25.   The judge said insufficient segregation between the English and Irish fans was a contributory factor to the trouble.

26.   He said corruption in Chinese State Enterprises and disrespect of labour rights by foreign firms were the main contributory factors to the very harsh working conditions in China.

27.   Brinda said a drop in moral values and increasing sexual perversion were also contributory factors.

28.   The ruling African National Congress said that while there appeared to be ethnic tensions at the hostel, there were other contributory factors.

29.   Though it is still too early to confirm what killed Eugeninsz Pietrasak, the Polish official, it is feared the climate was a contributory factor.

30.   It said a contributory factor was the continuing ban on livestock imports by countries along the Arabian peninsula because of fears of Rift Valley fever.