51.   As many airline commuters are well aware, federal law prohibits the use of wireless communications devices once a commercial airplane leaves its gate.

52.   As for the lack of women on automobile assembly lines, industry executives say the reason is that Japanese law prohibits women from working late at night.

53.   Asked if the agency had had any indication of possible child abuse, a spokesman said he was prohibited by law from commenting on specific cases.

54.   At home in Cairo, he has a trove of Pharaonic art from ancient Egypt, but Egyptian law prohibits taking those pieces out of the country.

55.   At the same time, state coastal protection officials reminded the developers that state law prohibited permanent seawalls.

56.   Because of its heritage as a research tool, the Internet was still prohibited by law from being used for any commercial purpose.

57.   Because Pakistan has not signed the Nonproliferation Treaty, the United States is prohibited by law from participating in nuclear weapons-related activities.

58.   Because Indonesian laws prohibited direct foreign investment in retailing, each had to find a local partner.

59.   Bernard W. Shotters, TCI investor relations manager, said the company could not pursue CBS because federal laws prohibit ownership of cable and network broadcast systems.

60.   Besides, tax laws generally prohibit companies from distributing pensions to working employees.