11.   A Kmart spokesman said the chain had no official restrictions, though it has refused to sell some games it has deemed inappropriate.

12.   After trying to succeed on its own, the independent chain had to sign on with Chevron in recent weeks, rebranding its stations under the corporate flag.

13.   But apparently, the home-improvement chains have a logic all their own.

14.   But big-volume, mid-price restaurant chains have largely gone over to Atlantic salmon raised in pens.

15.   But only the biggest chains have the clout to make such HMO alliances profitable, Wall Street analysts say.

16.   But that chain has many links, and no one person in the chain may know the identity of the next.

17.   But the acquisition could also mean lost jobs in Massachusetts, where both chains have their headquarters, TJX in Framingham and Marshalls in Andover.

18.   But the other big chains have no such qualms.

19.   But Stogo and others say the chain has to concentrate on expanding its offerings.

20.   But the two chains have much in common.