# MACHINERY
> MSHA accident `220212510005` · 09/01/2021 · Georgia-Pacific Gypsum LLC
## 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:** 11.12 years
## Operator
- **Controller:** Koch Industries Inc
- **Operator:** Georgia-Pacific Gypsum LLC
- **Mine:** [4100851](https://api.ai-analytics.org/mine/4100851)
## Narrative

Before the welding could take place, maintenance had to grind off an old weld. While in operation the grinding wheel guard came loose, spun, and contacted the surface. The contact caused the grinder to jerk towards the mechanics off hand, resulting in a laceration on the left thumb.

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