Example sentences of "20 years [unc] [noun sg] in " in BNC.

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1 As an example of AEA 's capabilities , its Environmental Safety Centre has almost 20 years ' experience in all aspects of disposal and treatment of domestic , industrial and toxic wastes , as well as providing consultancy , research and technical services , including environmental audits and assessments , waste management and environmental pollution research on an international basis .
2 The two American researchers say that , despite some of the workers having 20 years ' experience in the electricity industry , none of the workers had heard of sulphur hexafluoride , nor did they know that their work could lead to exposure to irritant gases .
3 With the methodical professionalism of a former detective sergeant with 20 years ' experience in London 's Metropolitan police , Jones had made a full note of a conversation in which Connelly asked , ‘ Have you considered a bag switch at Frankfurt ? ’
4 Over 20 years ' experience in the manufacture and supply of non-destructive tubular inspection equipment has established NDT Systems as a leader in this industry , with a client base that spans virtually every oil producing region of the world .
5 With over 20 years ' experience in servicing the oil and gas sector , we employ approximately 2,800 personnel worldwide providing engineering and high technology services and products to offshore oil , power generation and general industrial markets .
6 With over 20 years ' experience in servicing the oil and gas sector , we employ approximately 2,800 personnel worldwide providing engineering and high technology services and products to offshore oil , power generation and general industrial markets .
7 At the moment it is theoretically possible for a qualified nurse with 20 years ' break in service to be put in charge of an acute ward , and to take responsibility for the management and allocation of staff , even though she may not have any recent or relevant experience .
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