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Submitted by plindley on 17 November 2009 - 3:46pm
Inexpensive, and mixed with sand immensely strong, cement is a useful casting material that unlike plaster can be used for work to be situated out doors.
Submitted by plindley on 13 November 2009 - 3:28pm
The ability of plaster to transform from a liquid state into a permanent solid makes it a very useful casting medium, while the in-between curing period can allow for more direct working as the mix
