31.   Blackmon, who sells by appointment from his San Francisco gallery,says his biggest problem is finding good material.

32.   A late round of selling by dealers also weighed on prices, traders said.

33.   A. Try filling it with Seamfill, a material sold by Formica dealers and designed to fill seams.

34.   But a decision to sell by individual investors like Tobias is not the main driver of stock market volatility.

35.   But companies that sell by phone, by mail or on line need do so only in states where they have a physical presence.

36.   But sexy as the Net may be, the landlocked stations are still the proven moneymakers since they sell commercials by delivering listeners to advertisers.

37.   But they sold by shorting against the box.

38.   But unlike with recent IPOs, selling by insiders at companies that have long been public is much less transparent to the investing public.

39.   Buy gasoline from a guy who sells it by the jug from a car because the wait on the jammed international bridges is putting you perilously close to empty.

40.   Buying or selling by any single country amounts to a drop in the bucket.