Example sentences of "is [adj] ensure [adj] " in BNC.

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1 It is essential to ensure prior to starting an experiment that you will not be contravening any national or international regulations governing the use of animals for scientific purposes .
2 Proper training beforehand , preferably by a qualified physiotherapist , is essential to ensure good , safe practice .
3 The maintenance of bicycle facilities ( often forgotten by local authorities ) is essential to ensure continuing safety of cyclists .
4 In arguing that companion animals , particularly dogs and cats , require freedom of movement and the company of other animals , one has to accept that allowing cats to roam freely and dogs to have a period of exercise off the lead is necessary to ensure good animal welfare .
5 Just as it is necessary to ensure full involvement of members , so the time available has to be used to best advantage .
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