51.   -- Would improve direct mail service between the United States and Cuba.

52.   A bewildering series of mergers and regulatory actions in the telecommunications industry in the past two weeks could ultimately improve telephone service to consumers.

53.   A cynic might argue that any attempt to bring management to the public sector would improve services.

54.   A preliminary report late last year criticized voluntary efforts by the airlines to improve service.

55.   A quarter of the apartments have been placed under private management, improving services and letting administrators concentrate on deeper problems.

56.   A spokesman for Mayor James Hahn said the results indicate that he has to do more to improve city services.

57.   A White House task force has been formed to help city agencies improve services.

58.   About one-third of the development spending would be put toward reducing poverty by helping small businesses and improving health services.

59.   British supermarkets have cut prices and begun expensive campaigns to improve service as they bid to keep the loyalty of careful shoppers.

60.   Both Green and Fernando Ferrer, the Bronx borough president, have called for increased Medicaid reimbursement rates to help improve primary care services.