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Any redistribution or reproduction of part or all of the contents in any form is prohibited other than the following:
You may print or download to a local hard disk extracts for your teaching purpose only
You may copy the content to individual third person in the same school or organization for their teaching purpose, but only if you acknowledge Smarthon as the source of the material
You may not, except with our express written permission, distribute or commercially exploit the content. Nor may you transmit it or store it in any other website or other form of electronic retrieval system.