Computer · Building Materials
In stone quarrying, tamping is the process of:
- 1dampening the rock layers with water before digging with tools
- 2separating rock layers by applying electricity
- 3filling the hole containing the explosive charge with damp clay or non-combustible material✓
- 4ramming the wood wedges into holes drilled into the rock
Correct answer
filling the hole containing the explosive charge with damp clay or non-combustible material
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