Example sentences of "they [vb mod] not be use in " in BNC.
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1 | The ban takes the form of a circular stating that it is illegal to sell , purchase , import , export or even carry tiger bones or rhino horns and that they may not be used in medicines . |
2 | Council spokesman Doug Allan said labels on any household chemical warned they must not be used in association with other products . |
3 | They should not be used in any quantity as they can cause stomach upsets , but are extremely useful for the presentation of nouvelle cuisine dishes . |
4 | They can become a rigid system for controlling students and teachers , but they need not be used in this way . |
5 | The main limitations to the use of Pitot tubes are their size and the slowness of their response ; they can not be used in flows of very small length scale , nor to measure rapid velocity fluctuations . |