Example sentences of "once used as a " in BNC.
Next page| No | Sentence |
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| 1 | Other items include a ravishing account of ‘ Qui la voce ’ from Bellini 's Puritani done in 1960 , the end of Act 1 of Verdi 's La Traviata , the Bell Song from Delibes ' Lakme and a rare Donizetti aria once used as a substitute item in Lucia . |
| 2 | At the end of the street is the entrance to the Daliborka , a defensive tower of the 15C , once used as a prison . |
| 3 | It is said that Renish Farm at Waxholme was once used as a Quaker meeting house . |
| 4 | The black liquid contains the spores and was once used as a cheap substitute for Indian ink . |
| 5 | Nitrous oxide , commonly known as laughing gas and once used as a dental anaesthetic , is a natural product of biological processes in soils and water but is also emitted to the atmosphere by fossil-fuel burning , soil disturbance , the application of nitrogen based fertilizers , biomass burning and animal and human wastes . |
| 6 | A deadly nerve poison , it was once used as an animal poison but is now banned on the grounds that it kills with extreme cruelty . |