Answer:
If there is a shaft with headgear, then mining can take place until that depth of the shaft. If it is accessed horizontal Adits, it can mine until the lowest Adit from upwards. If it is accessed decline, the development and mining can continue so long as economic exploitation is possible.
Explanation:
What are the disadvantages of mining headgear? They totally cut off your vision of anything above your head. They are hot, most of the time
Answer:
Detailed solution is attached below in three simple steps the problem is solved.
Answer:
development
forming stage - The team transitions into this stage after completion of its first successful project.
storming stage - In this stage, comfort and trust between the members is high.
norming stage - In this stage, the team members come together for the first time.
performing stage- In this stage, the members have a better idea of what the team expects of them.
Answer:
1. Cast iron or aluminum
2. aluminum (first blank) iron(second blank)
3. aluminum
4. dry sleeve
5. Wet sleeve
6. matching operation that cuts a series of holes through the block for crankshaft bearing
Answer:
Preferential stress will cause crystals to rotate into a preferred orientation unless the crystals are Equant