71.   In later years, the post developed into an early version of that we know as Chancellor of the Exchequer.

72.   In medical parlance this procedure is commonly known as a career-ectomy.

73.   In military parlance this is known as a fast retreat.

74.   In some cases metals are actually strengthened by this process, which is known as cold working.

75.   In the world of rehabilitating addicts, this is known as showing your child tough love.

76.   In two-thirds of such patients, white blood cells known as T-Lymphocytes that are produced by the Marrow attack their fresh surroundings.

77.   It forms the backbone of an important result in algebra, known as the Cycle Decomposition Theorem for Modules.

78.   It is a member of a class known as classical nouns.

79.   It is known as a speech output system because there is evidence that a quite separate lexicon is involved in speech perception.