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Envíame un correo cuando un nuevo incidente coincida con estos filtros. Un correo de confirmación; cancela la suscripción cuando quieras.
ROOF FALL IS APPROX. 50 FT BY 24 FT ROOF SUPPORTS IN THE AREA INCLUDE 3 FT AND 42 INCH ROOF BOLTS AND STANDARD WOODEN PROPS AND CRIBS ROOF CONDITION IN THIS AREA IS FAIR THIS AREA WAS MINED AP PROX 1 YEAR AGO.
ROOF FALL IS APPROX 24 FT BY 35 FT ROOF SUPPORTS IN THE AREA INCLUDE 42 IN AND 48 IN ROOF BOLTS 3IN X 8 IN X 18 FT CROSSBARS AND STANDARD WOODEN PROPS ROOF CONDITIONS IN THIS AREA ARE POOR WIT H VARIOUS CRACKS THIS AREA WAS MINED APPROX 3 YEARS AGO