| http://www.w3.org/ns/prov#value | - But you can 'favourite' objects from any of the timelines to create a customised one of your own.One small point worth mentioning, there are a few options to manage the display - 2D and 3D, a choice of four backgrounds, and the option to view full screen.There is such a wealth of exciting material out there at the moment, that I can not decide whether it would make being a teacher more interesting o
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