27 de octubre de 2009
KY · Carbón
Empernador de techo, Empernador de roca, Empernador, Operador de soporte de techo móvil (MRS)
DESPRENDIMIENTO DE TECHO O BÓVEDA
Jarisa, Inc. · Golpeado por objeto que cae
Employee was bolting top & drilling a hole when a piece of draw rock fell from the top and hit his arm. The draw rock was 2' x 3' & measured in thickness from 1 1/2" to 3".