Drywall Dust Engineering Controls | | Summary Statement This 7-min. video proves engineering controls reduce drywall dust. Dust controls can reduce hazardous exposure to silica, which can cause silicosis, and make clean-up easier. 1998 Running Time: 7 minutes Intended Audience: construction workers, contractors, and safety professionals. Producer: CPWR - The Center for Construction Research and Training Acquisition Information: http://youtu.be/kYeyd-ysMG4.