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THE industry reference work for LEV (Industrial Ventilation)
The 30th Edition, incorporates changes that include Computational Fluid Dynamics (CFD). These have been added for clarification and present a simpler understanding of airflow patterns.
The 30th edition incorporates a new control concept for Vacuum Extraction on Welding Torches (LVHV) to complement the four new conceptual design strategies found in the 29th Edition.