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2. Fastening: The Truth about Torque and Tension, Assembly Magazine, September 2001 (www.assemblymag.com/articles/83789-fastening-the-truth-about-torque-and-tension) – accessed 23 December 2013.
3. ‘From Design to Maintenance: Practical Guidance for Bolted Flanged Joints’ [S.l.],2013
4. ‘An Overview of Bolted Joints’;Nash,2013
5. ‘Pipe Flanges and Flanged Fittings’,2013