- stationary
- stationary compressor
- stationary crushing plate
- stationary detonation velocity
- stationary jaw
- stationary screen
- stationary table
- statistical
- statistics
- staurolite
- stay
- stay bolt
- steady
- steady flow
- steam
- steam coal
- steam shovel
- steatite
- steel
- steel arch
- steel band tape
- steel belt
- steel bender
- steel cable belt
- steel cap
- steel chock
- steel concrete
- steel concrete shuttering
- steel cord belt
- steel girder
- steel head
- steel headframe
- steel lagging
- steel leg
- steel lining
- steel mesh mat
- steel mesh reinforcement
- steel prop
- steel rail grizzly
- steel reinforcement
- steel retainer
- steel rope
- steel shaft lining
- steel stem
- steel strap
- steel support
- steel tie
- steel timbering
- steep
- steep bed