Where semistationary shovels do the loading, some sort of vehicle must haul the rock either to the next part of the materials-handling system, located near the stoping area, or all the way to the shaft.

Dikes may be discordant to country rock if they intrude at a high angle to the bedding.

Tossing a coin is a classical procedure for producing a random number .... Tossing a coin 20 times can produce any one of 2²⁰ ... binary series, and each of them has exactly the same probability.

Sometimes they even come right out and ask for a dudevorce by taking back the video game system they were keeping at your house.