Rock Crusher Eases Hardships in Uganda | Pitt Chronicle ...
2008-9-15 · Rock Crusher Eases Hardships in Uganda. The simple, hand-powered rock crusher that Pitt civil engineering graduate student Dave Torick built marked an evolution in his perception of how to help others. No multibillion dollar grants or sweeping economic reforms were needed. All it took was a 400-pound, steel-frame contraption perched atop four ...