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What is the difference between local exhaust ventilation and general ventilation? - LEV Engineering Limited
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Mechanical Ventilation Types: Exhaust, Supply, Balanced & Energy Recovery - Home Ventilating Institute
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Figure 2.2 from Development of local exhaust ventilation (LEV) system performance test method and guideline for sustainable maintenance | Semantic Scholar
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Mechanical exhaust ventilation system serving one or several apartments | Download Scientific Diagram
![Figure 2.1 from Development of local exhaust ventilation (LEV) system performance test method and guideline for sustainable maintenance | Semantic Scholar Figure 2.1 from Development of local exhaust ventilation (LEV) system performance test method and guideline for sustainable maintenance | Semantic Scholar](https://ai2-s2-public.s3.amazonaws.com/figures/2017-08-08/8087141368891cf604044cbc660b3dff41c94fe6/24-Figure2.1-1.png)