Trinidad and Tobago National Ozone Unit
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RAC Technician Professionally Certified Registry
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Professional Certification for RAC Sector
Updated Registry of Professionally Certified Refrigeration & Air-Conditioning Technicians in T&T
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Rewards Programme for the Professional Certification Scheme for Refrigeration and Air Conditioning (RAC) Technicians
Wednesday 18 September 2013
Comparative Table of Physical Properties of R 22, R 134a and Hydrocarbon Refrigerant
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