hori - igni
- horizon
- horizon inset
- horizon layout
- horizon mining
- horizon samples
- horizon thickness
- horizon-face
- horizontal
- horizontal alignment
- horizontal angle
- horizontal angulation
- horizontal bed
- horizontal bed thickness
- horizontal bedding
- horizontal belt conveyer
- horizontal blasthole
- horizontal borehole
- horizontal borehole pressure recorder
- horizontal borehole profile
- horizontal borer
- horizontal brace
- horizontal branched-hole drilling
- horizontal clearance
- horizontal collimation error
- horizontal compressor
- horizontal crack
- horizontal current classifier
- horizontal cut
- horizontal cut underhead
- horizontal cut-and-fill
- horizontal deflection
- horizontal departure
- horizontal displacement
- horizontal displacement of bottomhole
- horizontal displacement of hole
- horizontal drilling
- horizontal equivalent
- horizontal fault
- horizontal fissure
- horizontal footwal drift
