1.   But what exactly is a trade association?

2.   No other trade association is subject to such stringent rules, a tobacco industry spokesman said.

3.   Standardization of contracts is typically unilateral, being devised by particular contracting parties or their trade associations.

4.   The heavy package was sent to William Dennison, who had left the trade association almost a year earlier.

5.   The trade association for driving instructors might also be able to supply details of the experience of other new driving instructors.