english: So at North Carolina State University, we challenged our students to come up with a simple solution, and this is what they came up with: a simple, modified screw auger that can move the waste up from the pit and into a collecting drum, and now the pit worker doesn't have to go down into the pit.
non_english: Na Univerzitetu Severne Karoline, naše studente smo izazvali da smisle jednostavno rešenje. i došli su do ovoga - jednostavna spirala koja može da prebaci otpad nagore iz rupe u rezervoar za skupljanje, i sada radnik u rupi ne mora da se spušta u rupu.