5.1. Draw the pattern of a wedge cut on a face. Show the directions of the holes in plan and inside view. 5.2. Explain the statement "a shaft's size will depend on the type of equipment that will be used in the mine". 5.3. Describe what a stage is in shaft sinking and give three main purposes. (5) 5.4. What happens to the stage when the holes in the shaft sinking round are being blasted? 5.5. Why is it advantageous to use a raise-bored core in shaft development? (5)

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