Example sentences of "carry [adv prt] by the national [noun] " in BNC.

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1 Evidence from inspections carried out by the National Rivers Authority ( NRA ) has suggested that in some areas up to 42 per cent of Britain 's farms could be polluting rivers and groundwater .
2 Measurements carried out by the National Rivers Authority revealed 10 times the permitted level of 6 micrograms per litre in the brook , where waste water from the sewage works is discharged after being treated .
3 A major survey of the relevant literature , carried out by the National Institute of Mental Health in the US , found that all the research ( bar just one study ) agreed that television was a significant factor in failure at school .
4 Two surveys conducted for the committee were of particular relevance to post-school provision : one , of young people , carried out by the National Children 's Bureau ( of which more later ) and a survey by Her Majesty 's Inspectorate .
5 The Consumer Concerns survey carried out by the National Consumer Council ( NCC ) in 1979–80 revealed a quarter of all respondents encountering problems walking in the previous year , over half of which were considered serious .
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