51.  Yes, it is true that iceberg lettuce is a necessary part of this dish.

52.  In fact, Fronth celebrates technology as a necessary part of life in the Amazon.

53.  Prime Minister Shimon Peres stressed Sunday that economic cooperation between Israel and Syria would be a necessary part of any peace settlement.

54.  Still, Feith argued the missile defense system was a necessary part of larger American plans to safeguard national security.

55.  The company manufactures telephone apparatus and exchanges, in addition to the necessary parts for telephone networks.

56.  The human touch is a necessary part of language learning.

57.  This is a necessary part of any conflict resolution process.

58.  When the study began, doctors assumed it was a necessary part of aging.

59.  While Wessels believed match referees were a necessary part of the modern game, he felt they had to act sensibly.

60.  But for some Raiders fans, the ritual was a necessary part of welcoming home a team they never really gave up.