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A Framework for Freshwater Ecosystem Management Volume 2: Technical Guide...
The main aim of the Framework for Freshwater Ecosystem Management series is to support countries to sustainably manage freshwater ecosystems. The overall aim of this volume is... -
Update on New Refrigerants Designations and Safety Classifications - Factsheet
The purpose of this fact sheet is to provide an update on ASHRAE standards for refrigerants and to introduce the new refrigerants that have been awarded an «R» number over the...