Coal Mining: Drilling Rock and Coal Faces
| Parameter | Value | Parameter | Value |
|---|---|---|---|
|
Duration
|
15 min |
Calories
|
120 KCAL |
|
Level
|
advanced |
Equipment
|
None |
Coal Mining: Drilling Rock and Coal Faces
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i Instructions
<ol class="exercise-step-list">
<li class="step-setup"><strong>1. Starting position:</strong> Establish an anchored staggered stance on the mine floor, grasping drill handles firmly.</li>
<li class="step-eccentric"><strong>2. Execution:</strong> Lean body weight into the pneumatic feed to advance drill steel while bracing against percussive recoil.</li>
<li class="step-safety"><strong>3. Mine safety:</strong> Wear respirator, ear defenders, and safety cap; inspect roof geology prior to collar drilling.</li>
</ol>