11.  An American scientist has invented a fuel cell which he claims can store hydrogen safely, thus making possible its commercial use as a power source.

12.  The report said that many of the chemicals in commercial use today had not been adequately tested for their toxicity.

13.  Meanwhile, the development of city centres for business and commercial use is encouraging increased traffic.

14.  The Law Commission thought that this would exclude products designed and normally bought for commercial use, but that there might be borderline cases.

15.  Mrs Straiton.

16.  Among the first applications that could have commercial use, said Wolf, include plans to use the shirt technology to produce garments that medical patients can wear.

17.  And Paramount, the pioneer, is already looking beyond commercial uses.

18.  Another couple, Johnson City ranch owners Bill and Pam Fielding, plan to reside one block to the south and rent out the lower level for commercial use.

19.  Anyone who makes commercial use of a trade secret and later decides to apply for a patent must do so within a year.

20.  As drugs near their expiration date, contractors will sell them for commercial use and restock with fresh material.