Example sentences of "or by [verb] they [prep] [art] " in BNC.

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1 Drug smuggling by swallowing packages of drugs or by concealing them in the rectum or vagina has recently received much publicity after several couriers have died following rupture of these parcels .
2 The reactions will generally not recur if 90% of the white cells are removed , and this can be achieved either by using a filter at the bedside or by removing them in the laboratory .
3 Teachers showed a great deal of skill in dealing with the many interruptions of the classroom day , generally managing to neutralize them either by simply refusing to be distracted by them , or by transmuting them into a part of the teaching session .
4 One collects them by climbing the tree or by poking them with a long stick .
5 Bury cuttings to half their depth , either by pushing them into the soil or by lining them along the side of a slit cut in the soil with a spade ( in heavy soil , sprinkle a layer of sand at the base of the slit ) .
6 Even if an ineffective treatment does not in itself cause damage it may harm patients by raising false expectations or by deflecting them from a better treatment , so this criterion would leave virtually all unproved treatment open to investigation .
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