Concerns also emerged last year about the accuracy of nuclear reactor monitoring instruments during testing.

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Provide global coordination of UNESCO's work related to the right to education, as well as technical and methodological facilitation to the Regional Bureaux and Field Offices with regard to the implementation and monitoring of normative instruments and the development of advocacy and support activities related to the right to education.

UNESCO: Vacancy : Programme Specialist (right to education) (7/12/2011) ED 060 - (P4)

With the instruments currently monitoring Santorini, "we now have sufficient on-the-ground instrumentation to measure ongoing activity, " Newman said.

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Following a review, Health Facilities Scotland, who oversee the monitoring of sterilisation units, said that the instruments were safe for use on patients.

BBC: Medical tools