Example sentences of "be [adv] about 20 per " in BNC.
Next page| No | Sentence |
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| 1 | The gamma dose rate proved to be only about 20 per cent — reasonably typical for clay materials . |
| 2 | He recalls that a petrol engine is only about 20 per cent efficient ; most of the energy of its fuel appears as heat in its radiator and exhaust . |
| 3 | The manufacturing base , which is already nearing the limits of viability — it is only about 20 per cent . |
| 4 | In Nigeria the foreign investors ' share is now about 20 per cent , with the bulk of the remainder held in the Nigerian private sector ; the localization legislation created over one million individual shareholders . |
| 5 | It is currently about 20 per cent more expensive than peat composts . |