# HANDLING OF MATERIALS
> MSHA accident `220142790047` · 09/27/2014 · Knife River
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Machine maintenance
- **Injury source:** AIR HOIST
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 16.46 years
## Operator
- **Controller:** MDU Resources Group Inc
- **Operator:** Knife River
- **Mine:** [0405140](https://api.ai-analytics.org/mine/0405140)
## Narrative

While performing maintenance on pump 904 employee was assisting with re-attaching the discharge hose to the pump when his right thumb was injured when pinched between the pipe and hoist.  Injury consisted of fracture and laceration (2 stitches) to tip of right thumb.

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