4EFFICENCY makes every effort to ensure that the information on its web site is reliable and up to date. Unfortunately, errors cannot always be avoided. 4EFFICIENCY therefore declines all liability for the accuracy of information contained on its web site. We reserve the right to modify or add information at any time without giving prior notice. Our site includes links to external web sites, the content of which is beyond our control. We cannot therefore give any guarantee concerning this external content; these sites are the responsibility of the provider or operator concerned. EFF4 has been submitted for approval as a trademark.

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