Acronym for Permenant Virtual Circuit
A connection-oriented circuit that may be set up by software between any two nodes of a switched network.
and also PolyVinyl Chloride
A plastic composed of 43% of oil products and 57% of salt as raw material.
Therefore it uses less exhaustible raw materials and less energy than any other plastic or many 'classic' materials. This makes it excellent for sustainable development. PVC has an extremely wide range af applications, from toys via (waste) water lines to bloodbags.
2 pages link to PVC:
