1.   Even the heaviest users of aluminum seem unworried.

2.   Further analysis of the data is needed to find out whether the HIV infections were confined to the heaviest users of the microbicide.

3.   Nearly half of the power supplied by Edison is used by the one-quarter of customers who are the heaviest users.

4.   Older Americans are among the heaviest users and the biggest beneficiaries of new medicines.

5.   Real estate agents are among the heaviest users of cell phones, Wolf said, and the bank wanted to offer free wireless access as a convenience.

6.   Shops are discounting them, but prices have to fall by half before young buyers, the heaviest users, can afford them.

7.   The heaviest Internet users were more likely to consult a professional adviser before making a decision.

8.   The heaviest users by far are still universities and laboratories.

9.   In Japan, corporations, universities and research institutes are among its heaviest users, but information technology providers here want to serve a growing private personal computer market.

10.   It will be progressive, with the heaviest users facing the largest hikes.