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Included within these are the power to issue and enforce subpoenas requiring attendance and testimony of witnesses and production of records , documents or other tangible objects and orders restraining the conduct of any party over whom the Court has obtained jurisdiction . The department proposed that only the interview question portion of the competition be repeated , but the appellants ' representative objected to this proposal . The needles will be approximated by very simple objects , so that we can have a good density of them ( probably 15000 - 30000 objects per trees ) . Science Museum collections include many very large objects , that are central to the development and history of science and technology . But there are things which have no type in the material world ; abstract ideas , which can only be represented by visible objects supposed to have some quality analogous to the idea intended .