Example sentences of "[pron] take [det] hours " in BNC.

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1 For the H-bomb , carried in long-range bombers which took several hours to fly from base to target , was already outdated by the end of the Fifties .
2 The loco went down the embankment taking some of the tanks with it , and the wreckage together with trees standing in the field were enveloped in flames which took several hours to extinguish .
3 Similarly , it takes several hours before ozone is formed from photochemical actions involving oxides of nitrogen and volatile organic compounds ( hydrocarbons ) .
4 With higher after-tax wages it takes fewer hours to earn any given target income .
5 Cooling water pumps were incapacitated , and even though the twin reactors were shut down , it took many hours for the operators to successfully control the residual heat in their cores .
6 It took many hours of structural trials to perfect the authentic shapes and colouring of the flowers in painted metal .
7 The courthouse windows were open but the radiators below them were hot ; it took several hours for any changes in setting to make themselves felt through the massive heating system , and it was impossible to keep up with the irrational temperament of the month .
8 ‘ No , it took some hours before we dragged the body from beneath a mound of soggy corpses .
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