Example sentences of "[noun] over a long period of " in BNC.

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31 He went on ‘ improving ’ this poem over a long period of years so that the text usually printed shows many alterations from the original .
32 It reached its present form over a long period of time during which there have been numerous law changes — not all of which have achieved their desired result , as Ian Kirkpatrick , Rutherford 's South African counterpart , was the first to point out .
33 As to who would provide the care she said that where there is care over a long period of time , families often stop employing carers through an agency .
34 We therefore laid our plans and moved out in good order over a long period of time .
35 To begin with , literacy in general was not , of course , independently invented in Greece , as Goody and Watt recognise : the form of literacy particular to Greece developed from the Semitic writing system over a long period of time .
36 The majority of other types of skin cancer are the result of continued exposure to sunlight over a long period of time .
37 At any particular moment the books might not appear to balance ( for example electrical energy input could be stored to be released as heat later , or energy taken up while forcing the deuterium into the palladium may be returned later U the deuterium leaks out and recombines in the atmosphere ) , so the relevant question was whether there was a net excess output of energy over a long period of time .
38 One of the tasks of a sponsor of such an event is to maximise on its appeal over a long period of time .
39 Involvement with the same client over a long period of time , the paper says , could result in a lack of objectivity and ‘ detraction from the regular and robust consideration ’ of issues associated with the audit .
40 Accordingly , on 12 June 1940 Lord Woolton , Minister of Food , despatched a memorandum to the Food Policy Committee of the War Cabinet in which he identified three groups in the population to whom food distribution should be improved : workers in factories ( ‘ if we are to obtain the maximum production over a long period of time from them ’ ) , people on low incomes and ‘ children of school age and under and nursing mothers whom , on grounds both of humanity and of racial preservation , it is essential we should protect against malnutrition ’ .
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