Example sentences of "necessary when [art] " in BNC.

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1 But it is nevertheless considered by Brooks ( 1960 ) that generalisations are necessary when a student 's prior training has conditioned him to require to " know what he is doing " ( River 1964 ) .
2 Public support for the strike Was hardly necessary when the electricity workers could reduce the supply so much that basic economic activity had to stop .
3 Rhubarb fool is made in just the same way as gooseberry fool , but needs an even larger proportion of sugar , preferably dark brown , and it is very necessary when the rhubarb is cooked to put it in a colander or sieve and let the excess juice drain off before the purée is made and the cream added .
4 I imagine they 're even more necessary when the person concerned is an old friend of the Assistant Commissioner 's wife . ’
5 Several adjustments are necessary when the system load is changed .
6 The change became necessary when the Federal Constitutional Court ruled on Sept. 30 that an agreement reached in August 1990 [ see p. 37661 ] was unconstitutional .
7 No constitutional action is necessary when the government is returned with an absolute Commons ' majority , as happened in l906 , l918 , 1922 , 193l , 1935 , l950 , 1955 , 1959 , 1966 , October 1974 , 1983 and 1987 .
8 Vacuum thoroughly about twice a week and lightly as necessary when the children have been at play .
9 A development plan had been accepted by the governing body and HMI as realistic , but clearly reorganization would be necessary when the Polytechnic came into existence .
10 Rough planks can be used in a formal pool with square or rectangular sides , but marine plywood and a series of props and strengtheners are necessary when an irregular shape has to be catered for .
11 A concept of man , in this sense , only became necessary when an objective , " science of man " came to be envisaged as a desirable and attainable possibility .
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