Which one of the following term NOT related to opencast mining ?
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Opencast mining terms often describe surface features like benches, highwalls, crests, toes, and ramps.
Underground mining terms describe internal openings like shafts, adits, drifts, raises, and winzes.
Step 1: Sort the four terms by where they are used.
Let us quickly place each term in its natural mining context before deciding which one is the odd one out. Step 2: Confirm three of them belong to opencast mining.
A boxcut is the very first excavation made to open up a surface mine and create working access, a highwall is the unexcavated rock face of the pit running from crest to toe, and crest is simply the top edge of a bench or highwall, all three are terms you only hear on an open pit. Step 3: Examine the remaining term.
A winze, in contrast, is defined as a vertical or inclined underground opening driven downward from one working level to connect with a level below it, this concept of connecting underground levels simply does not exist in surface mining. Step 4: Conclude.
So among the four, the term that has no place in opencast mining is winze.
\[ \boxed{\text{Winze}} \]