ETUT does not profess to be an expert resource for the knowledge contained in the subject matter published on this site, nor does it have specialist knowledge of how to teach that subject matter.  What it does admit to, is that all materials published by this portal are provided solely and only in the interests of knowledge acquisition by those who actively seek it. 

It follows that ETUT does not guarantee the accuracy or veracity of published materials, nor does it purport to provide materials for the purpose of attaining a formal academic qualification, skills and competency endorsement, or official certification of any kind.

ETUT furthermore does not warrant that the materials published by this portal are suitable for a particular purpose of any kind, nor will it be held liable or responsible for any consequential liability resulting from the use or application of the materials published by this portal.

Published materials are acknowledged as far as possible with appropriate referencing of author, source and publisher.  We apologise in advance for any published materials that may not be properly accredited, and would request that further details in this regard be sent by email for suitable accreditation to This email address is being protected from spambots. You need JavaScript enabled to view it..

Note that ETUT's primary objective is to serve as a vehicle for the acquisition of knowledge (in business jargon, this would be ETUT's 'vision' and 'mission').  Please let us know if we have succeeded in attaining this objective by using the 'Contact Us' facility - all feedback is welcome.