61.   Shapiro went into emergency communications after designing radar systems for the military during the Vietnam war.

62.   Since most people keep the same car for years, automakers are trying to design communications systems that can be updated as better technology becomes available.

63.   Since then, the group has worked toward designing a system that can process casual speech.

64.   So his firm has designed a system that allows listeners to hear what they want, when they want it.

65.   Such statistical frequencies are crucial to engineers who rely on extreme scenarios to design drainage systems for runoff.

66.   Such data are important in designing drainage systems in urban areas.

67.   Such a system is designed for use in deep sand, mud or snow or at low speeds off road.

68.   Such satellite systems are designed for broadband telecommunications services such as video conferencing and high-speed Internet access, and are primarily targeted at the corporate world.

69.   Tamam, who lives in Great Neck, N.Y., designed a system that uses a conventional taxi meter connected to a credit card reader and a wireless modem.

70.   That seems to have been the unbiased approach taken by NHTSA when it designed its Rollover Resistance Rating system.