5 de agosto de 2008
SC · Metal/No metálico
Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina
RESBALÓN O CAÍDA DE PERSONA
Columbia Silica Sand Inc · Caída a un nivel inferior, no clasificada en otra parte
Employee was sitting normally in a chair inside scale house. The chair broke and he fell to the floor. He weight over a period of time apparently stressed the center shaft which allows the chair to pivot, thus causing a clean break of 1" diameter threaded shaft.