# MACHINERY
> MSHA accident `220220350004` · 01/06/2022 · Amrize Cement Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Miner, Prospector, NEC
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** HEAD,NEC
- **Days lost:** 5
- **Mine experience:** 0.1 years
## Operator
- **Controller:** Holcim Ltd
- **Operator:** Amrize Cement Inc.
- **Mine:** [3000006](https://api.ai-analytics.org/mine/3000006)
## Narrative

Installing a rock anchor into the tunnel roof. Piece of rock fell from the roof and hit worker in the face, EE fell into the tunnel wall. Co-worker was installing the rock anchor. The worker installing the anchor, heard the injured employee yell. Startled, co-worker dropped the bolt wrench striking the injured employee on the back of their head.

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