# MACHINERY
> MSHA accident `220172090021` · 07/26/2017 · ASARCO LLC, a Delaware Limited Liability Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Grinding
- **Injury source:** ABRAS STONE,WHEEL GRINDER
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 3.77 years
## Operator
- **Controller:** Grupo Mexico S A B de C V
- **Operator:** ASARCO LLC, a Delaware Limited Liability Company
- **Mine:** [0200135](https://api.ai-analytics.org/mine/0200135)
## Narrative

Employee was installing a 20"" ball mill feed elbow. One threaded studs fell out because the weld broke. Employee went to the repair bay to clean up this 1"" threaded stud and to grind off the weld left over on the bolt. Employee was holding the bolt in one hand and the grinder in the other. The grinder bucked and blade made contact with thumb 

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