41.  The plant has increased its production sixfold.

42.  The poll tax will increase the numbers eligible for housing benefit.

43.  The topographical setting of an urban area can increase the frequency and severity of adverse meteorological conditions.

44.  They will increase their efforts to implement these recommendations.

45.  This will increase public consciousness of the pollution issue.

46.  This will increase the bargaining power of management in wage negotiations.

47.  Trade credit properly controlled can increase both your sales and your profits.

48.  We must increase our efforts to reduce the probability of such an accident happening again.

49.  We must increase public awareness of the health risks associated with sunbathing.