# MACHINERY
> MSHA accident `220221450015` · 05/23/2022 · Mounds Production Company LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Welder (non-shop)
- **Activity:** Machine maintenance
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 274
- **Mine experience:** 2 years
## Operator
- **Controller:** Oil Dri Corporation Of America
- **Operator:** Mounds Production Company LLC
- **Mine:** [1102403](https://api.morvs.ai/mine/1102403)
## Narrative

Using pneumatic jackhammer to tear out refractory lining inside the cylinder wall of kiln.  Worked up wall to about shoulder height when jackhammer vibrated backward.  Employee's right hand was caught in the handle.  Diagnosed as soft tissue strain.  Returned to work the next day before traveling to follow up with home doctor for possible ortho referral.

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