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We just have students use a vacuum hose or dust collection hose coming off the main system over the mixer while we pour. Humidifiers and/or spray bottles can mitigate small batch problems but sucking up the dust as it is produced seems to work best. Pulling the bag off the cement instead of pouring it produces less dust too.
On Thu, Jan 14, 2021 at 2:04 PM Stan Johnson via groups.io <firstname.lastname@example.org> wrote: