SySTEM Alert! is an informative STEM-centered publication written and designed for middle-level students. Download a printable PDF of current
and past issues, courtesy of Pitsco Education.
Current Issue: April-May 2017, Volume 5, No. 5
Backhoe basics — how it works
Learn how this hydraulic machine can dig a ditch in minutes. Read all about it. . . . .
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