Last updated
18 September 2016
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A very simple introduction into right angles. It includes a fun video. All supported by Widgit symbols.
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Thank you for sharing<br />
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Thank you, very useful
Empty reply does not make any sense for the end user
Empty reply does not make any sense for the end user
Empty reply does not make any sense for the end user
Empty reply does not make any sense for the end user
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