Example sentences of "have [been] use for [det] [noun] " in BNC.
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1 | They have been used for many years as propellants in aerosols , in the production of some foam packaging and as coolants in refrigerators . |
2 | Some Home Corners have even extended onto split levels or two floors , where raised areas have been used for this purpose . |
3 | In fact there are six , including the background colour , which means that six colours have been used for this design . |
4 | Bound , hard cover books , laboratory notebooks have been used for some time and have a strong pedigree . |
5 | IMPACT Moling : These machines have been used for some years to lay services and pipes up to 125mm in diameter . |