exaggerated estimate standards - far-field data
- face caving
- face cleat
- face conveyer
- face cycle
- face deputy
- face diagonal
- face end
- face end mechanization
- face entry
- face equipment
- face firing
- face foreman
- face hammer
- face handing wall
- face heading
- face left
- face length
- face of bed
- face of coal
- face of stope
- face on
- face output
- face output per man-shift
- face prop
- face right
- face shifting index
- face slip
- face space
- face support
- face team
- face ventilation section
- face voltage
- face-and-slab work
- face-centered
- face-centered lattice
- face-end support
- face-entry conveyer
- face-entry drivage
- face-guard
- face-preparation cycle