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................................................................................................3 Acknowledgements...................................................................................4(More)
When a spa bath was installed in the maternity unit of Osborne Park Hospital, a Quality Assurance survey was undertaken to try to identify any potential problems. At the same time a client(More)
This paper gives a physical explanation of how lateral refraction of survey sightings originates in lined tunnels, and suggests some methods of reducing the extent to which it affects alignment. The(More)