# MACHINERY
> MSHA accident `220253350005` · 11/17/2025 · Colorado Materials Ltd
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Electrician, Lineman
- **Activity:** Electrical maintenance
- **Injury source:** APPAREL,NEC
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** SCALP
- **Days lost:** 0
- **Mine experience:** 2.54 years
## Operator
- **Controller:** John R  Weisman
- **Operator:** Colorado Materials Ltd
- **Mine:** [4103430](https://api.ai-analytics.org/mine/4103430)
## Narrative

While standing at the control panel of a portable screen a large rock fell from the top surface and struck the top of EE's hard hat.  The hard hat shell contacted EE's head, causing a cut to EE's scalp.  The impact knocked EE down and caused pain to EE's back and right shoulder.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*