# Safety Rules

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## Safety Rules

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<p class="callout danger">**Read this before operating the machine.** These rules apply every time you use the Onefinity CNC - no exceptions.</p>

- **Training required** - members only; request class on Slack **\#class-requests**
- **Never leave the machine unattended** while cutting
- **Approved materials:** wood and plastics only - **no metals**
- Dust and chip hazards; fire risk from fine wood dust - **especially important until dust collection is installed**
- **E-stop** stops machine motion and spindle; does not shut down the shop PC
- Wear safety glasses; hearing protection recommended

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