Description for 1455 Kaolin and Ball Clay Occupational Safety
Description for 1455 Kaolin and Ball Clay Division B Mining Major Group 14 Mining And Quarrying Of Nonmetallic Minerals Except Fuels Industry Group 145 Clay Ceramic And Refractory Minerals 1455 Kaolin and Ball Clay Establishments primarily engaged in mining milling or otherwise preparing kaolin or ball clay including china clay