View the recorded FREE WEBINAR.  Nordfab Ducting co-sponsored the Hood Design Optimization for Effective Dust Control webinar presented by Powder & Bulk Solids magazine. In many dust collection applications, there is often little thought given to the final collection point: the hood. Hoods can be the most important part of the system; if the hood is located poorly or designed inadequately, then the system will not collect the dust effectively.