In any reasonably large project, there's dust, and lots of it. To combat it, more builders are opting to use a dust-control system. Their favorite? BuildClean. In a 6,000-cubic-foot space, the filter-based BuildClean "scrubs" the air six times in an hour, removing as much as 90 percent of the airborne dust. That means a healthier, more pleasant work environment throughout the day, and less time spent on cleanup come quitting time. Available at BuildClean; price on request.