# MACHINERY
> MSHA accident `220172200013` · 06/27/2017 · Martin Marietta Northern California Aggregates,LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Martin Marietta Northern California Aggregates,LLC
- **Mine:** [0401616](https://api.ai-analytics.org/mine/0401616)
## Narrative

Miner/employee was drilling a piece of angle iron in the area of the Feed tunnel belt area when the hand drill being used twisted in their right hand resulting in a sprain to their right ring finger. Miner/employee did not report or seek medical attention until 07/12/2017.

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