List of products by author: K. Stubberfield

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  Nozzleman Qualifications - An Increased Focus on Concrete Spraying Performance

  Abstract: During the last 10 years the tunneling and mining industries have had greater focus on the quality, costs and above all the safety around concrete spraying works. In 2009 the international industry group EFNARC established the Nozzlemen Certification Scheme – a certification that was intended to fill the qualification and accreditation gap existing for sprayed concrete operators, so called...

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