51.   Drawing on past experience is a powerful tool for Jackson and others, who like her once received a monthly welfare check.

52.   Doppler radar is a powerful tool that sends penlight beams that can pinpoint wind movement and other weather factors.

53.   Education is our most powerful tool.

54.   Educators say computers can be a powerful educational tool.

55.   Flash has become a powerful tool for Internet creativity.

56.   For home buyers, though, the Internet is a powerful tool.

57.   For people in all walks of life, the Net is increasingly a powerful interactive tool.

58.   For scientists, the virtual realm is a powerful experimental tool.

59.   For art dealers, fashion retailers, hair salons and others lately clustered below Houston Street, secrecy can be a powerful marketing tool.

60.   Fragrance is another powerful tool that often sets the mood for Latinas.