Example sentences of "[noun pl] are kept [prep] a " in BNC.

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1 However , environmentalists are calling for proof from manufacturers that no other propellant can be used to replace CFCs in these instances , so that emissions are kept to a bare minimum .
2 Rents are kept to a reasonable level to enable as many people as possible to benefit , and the maintenance is in the hands of a committee who hold regular fund-raising events .
3 Mice are kept under a variety of conditions .
4 The supporting monitoring services provided by AEA on site ensure that waste volumes are kept to a minimum , which can often represent a major cost saving .
5 However , editorial additions of all kinds are kept to a minimum .
6 If these plants are kept in a laboratory , they act in exactly the same way .
7 In the case of the farm properties the farmer will allow you to roam provided dogs are kept on a lead at all times & gates closed .
8 In the ECM the avoidance of reserve requirements , etc. , permits the payment of higher interest on deposits ( competition forced these cost savings to be passed on to depositors ) while large loans are arranged in many cases by telephone or telex , and thus operating costs are kept to a minimum .
9 This means that costs are kept to a minimum because overheads , such as lighting , equipment , and any little extras , are paid for out of a centralised annual fund .
10 Servicing costs are kept to a minimum as Safrane requires no initial service at 1,000 miles .
11 ‘ In the Gwynedd district , we are developing and refurbishing well over 300 km of line per year in order to improve the quality of supply to our customers , and it is essential that our costs are kept to a minimum , ’ said Mr Basford .
12 Only a small minority of the wines are kept for a long time as vintage wines .
13 It also has the most sophisticated un-erase facility around ; deleted files are kept in a special directory , so you 're sure to get them back .
14 All our cottages are kept to a high standard to ensure an enjoyable stay .
15 And we whenever we do layouts now as well we insure that all fire exits are kept to a minimum of one and half metres wide , er , in terms of main access ways .
16 Smells are kept to a minimum by using covered lorries , specially designed storage and early combustion of the material at high temperatures .
17 This kind of control ensures consistency , and expensive rejects of completed instruments are kept to a minimum .
18 Clothes are kept for a month ( do n't claim them and they go to local charities ) so the stock always changes .
19 These records are kept for a two-year period only , within which time some 40,000 issues are made .
20 With five biting the dust already the family have had to undergo training to ensure the new ones are kept in a safe place .
21 The roots are kept in a nutrient solution known as Hoagland 's solution .
22 For that analysis suggests that if aggregate demand shocks are kept to a minimum , ideally at zero , economic agents will be best able to recognize and respond to relative demand shocks even though they do not observe any other current prices than their own .
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