# HANDLING OF MATERIALS
> MSHA accident `220200290004` · 01/20/2020 · Lehigh Southwest Cement Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Master mechanic, Foreman, Supervisor
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** LOWER EXTREMITIES, MULTIPLE PARTS
- **Days lost:** 0
- **Mine experience:** 4 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Lehigh Southwest Cement Company
- **Mine:** [0400034](https://api.ai-analytics.org/mine/0400034)
## Narrative

The production supervisor was assisting repairman free a transport valve stuck in the closed position. When the valve freed, the production supervisor lost balance causing them to fall awkwardly on right ankle. The fall caused a contusion injury to right lower leg and ankle.

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