Example sentences of "[pron] is often [adj] use " in BNC.
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| 1 | Example unc As you will find in algebra work , it is often useful to use a letter in place of a number that we are trying to find . |
| 2 | When writing the formulae of both covalent molecules and ionic compounds , it is often useful to use the valency of an atom , ion or group of atoms . |
| 3 | Accurate scaling is difficult for bitmapped graphics , especially scaling up , so it is often better to use a object-based drawing program like MacDraw or MacDraft . |
| 4 | For a single guard it is often wiser to use your knife as any noise can alert many more enemies including guard dogs . |
| 5 | Although often a marginal need in food environments , where hygiene regulations require the use of head gear , it is often cheaper to use safety helmets which can be wiped clean rather than incur laundry costs from the use of linen caps . |
| 6 | With a runway it is often possible to use the centre line and a selected spot . |
| 7 | If no faster device is available it is often beneficial to use a separate device of the same sort . |
| 8 | However , it is often necessary to use several solvents so that regions obscured by bands of one are free of interference in the spectrum of another . |
| 9 | It is often advisable to use the commercially prepared seasonings for tacos and chilli as many of the varieties of red and chilli peppers that are abundant in Mexico can not be obtained easily in other countries . |
| 10 | For most purposes , where " a rough indication of frequency " is all that is required , it is often convenient to use the most general term ( eg the word unit ) as a convenient standard of comparison . |