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attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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Stalactite in armed concrete Description: stalactite size: untill 12 cm Local: Rio de Janeiro State University Date:06-03-2006 Author:Eurico Zimbres Free for all use Category:Engineering