A firefighter helps a young girl put out a fire using a fire hose. The activity was part of a demonstration on fire prevention and safety held during DASTOW on June 23. More images of the DASTOW events are available online. Photo: Cindy Arnold
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Fermilab’s Jerry Zimmerman, also known as Mr. Freeze, performs his cryogenics show for children during this year’s bring your daughter and sons to work day on June 23. Photo: Cindy Arnold