71. A fluorescent lamp must be connected to a stabiliser, or ballast, to limit and control its operating current.
72. A focus group gave its responses to the proposed advertising campaign.
73. A four-star hotel with its own championship golf course set in a hidden world of parkland, forest and lakes.
74. A fresh blanket of snow makes it difficult to see exactly how wide a swath the Merced and its feeder creeks cut.
75. A furnace got its mouth open somewhere, licks tip somebody.
76. A further restriction on the clinical use of alumina is the response of tissues to its implantation.
77. A further twenty-seven years were to elapse before the railway reached its ultimate terminus at the Kyle of Lochalsh.
78. A gas exerts pressure because its molecules are moving about rapidly and in random directions.
79. A gene in a splurge-weed cell stands to gain by promoting the reproduction of its cell.
80. A general lack of understanding of factor analysis, however, weakened the impact of the study and its effect was minimal.