Example sentences of "they [modal v] be use in [adj] " in BNC.

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1 The strong flavours of culinary herbs ensure that they should be used in small quantities , but there is no need to go to the other extreme and be timid with them .
2 This should mean that pesticides will last longer , because they could be used in other areas before resistance spreads , and researchers could switch back to using the original pesticide once resistance has been wiped out , she said .
3 As chlorine-free alternatives become commercially available they will be used in appropriate units .
4 Environmental manipulations have the considerable advantage that they can be used in wild populations , and they are also relatively quick .
5 Modern technology comes to the rescue here , however : solid-fuel handling systems , developed by British Coal , allow automatic fuelling from an outside coal store ; de-ashing systems have improved , making the job quicker and easier ; smokeless fuels have made the burning of fires possible even in cities ; and some modern solid fuel stoves , which can be installed in front of a fireplace , burn so efficiently that they can be used in smokeless zones .
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