11.   This process involved the establishment of international laws and regulations covering prices, currency dealings and banking systems.

12.   This process involves the addition of microorganisms, nutrients and an electron acceptor into the saturation zone of a contaminated aquifer.

13.   This process often involved the compulsory acquisition of firms and hence their potential closure.

14.   His creative process involves holing up in his Paris flat with the phone off the hook.

15.   This process probably involves physiological changes in nerve-cell patterns.

16.   The manufacturing process involves the two cost centres X and Y.

17.   This process involved the addition of doses of lime and soda ash which after a time led to precipitation of the hardness salts.

18.   The process involves removing impurities from the coal by flotation, which deals with most of the inorganic sulphur.

19.   The process involves estate agents looking at a property from the outside and ticking a valuation banding on a form.

20.   The process involved lowering metal seat parts into the vat.