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. 2014 Feb 6;5:1758736014520809. doi: 10.1177/1758736014520809

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© The Author(s) 2014

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (http://www.creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page(http://www.uk.sagepub.com/aboutus/openaccess.htm).

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Figure 3. — Micro-load system used in compression test: (a) selectable grip on lower part of the jig that is installed with a load cell on the upper part of the jig; (b) compression test jig—a jig cover was installed to prevent the broken pieces from popping when the specimens reached their breaking points; (c) compression test was performed after placing the specimens on the lower jig and lowering the upper jig.