Mandatory Access Control

  title={Mandatory Access Control},
  author={Bhavani M. Thuraisingham},
  booktitle={Encyclopedia of Database Systems},
There is disclosed a press-on bottle cap which is convertible to a screw reclosure lid. The cap is formed with a circular disc having an integral, downwardly dependent circumferential skirt. The skirt has a raised helical bead on its inside wall which extends an angular increment from 270 to about 400 degrees and a raised circumferential bead located beneath the helical bead and at least one tear line defined by a circumferential band of weakened strength located between the circumferential and… CONTINUE READING

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