No. of Headings|Maximum and Minimum no. of faces in UG mines| Bord and pillar| Longwall mining
No. of Headings|Maximum and Minimum no. of faces in UG mines| Bord and pillar| Longwall mining
Calculation of Number of Faces
Maximum no. of Faces
Minimum no. of Faces
Number of Faces for a given Heading
No. of headings
UG mining
Bord and Pillar Mining
Longwall Mining