51.   The United Nations is based in New York.

52.   They will be based in sprawling premises and surrounded by a range of leisure facilities and fast food outlets.

53.   This new attitude assumes that beliefs in occult power are solidly based in a true and more profound understanding of ultimate verities.

54.   USAir, based in Arlington, Va., is expecting similar problems today.

55.   Your objective is to complete your mission and return to base in one piece.

56.   Agriculture was based in the past on the family as a unit.

57.   Although he was based in Wales, distance was no object.

58.   Both firms are based in Kent.