51.   Requiring the use of taggants seems a reasonable step, and one long overdue.

52.   Republican lawmakers in several states have passed legislation to require the use of unadjusted census figures for redistricting.

53.   Several automakers are working on systems such as automatic driving systems and traffic information equipment that may require the use of DRAM chips in the future, analysts said.

54.   Satellite hookups fell to third, with reviewers pointing out that satellite connections still require the use of a telephone line and standard modem.

55.   Snow making requires the use of vast amounts of electricity, and the utility bill has now become one of the largest costs for resorts.

56.   --Should the FCC require use of specific technology for broadcasts and television sets?

57.   So Timna, intended for cheap computers, required the use of insanely expensive memory.

58.   Some experts question whether there is reason to require widespread use of second opinions.

59.   Tailback Malaefou MacKenzie, who cut his hand Wednesday and required stitches, practiced Thursday, but did not do anything that required the use of his injured hand.

60.   That is because Alcoa produces a higher proportion of alumina, which requires the use of caustic coda in the refining process, than the others.