# Fractures at Thermo-Twin Industries, Inc.
> OSHA SIR `2025010980` · 1/30/2025 · OAKMONT, PENNSYLVANIA
## Severity
- **1 hospitalization**
- **Body part:** Arm(s)  unspecified
- **Nature of injury:** Fractures
## Cause
- **Event:** Other fall to lower level  unspecified
- **Source:** Portable ladders and stairs  unspecified
- **Secondary source:** Ground, travel, and support surfaces  unspecified
## Employer
- **Name:** Thermo-Twin Industries, Inc.
- **Location:** 1155 Allegheny Avenue, OAKMONT, PENNSYLVANIA, 15139
- **NAICS:** 332321
- **Jurisdiction:** 1
## Narrative

An employee was climbing a 9-foot ladder to put screws in the trim of a window. The employee lost balance and fell from the ladder to the ground, sustaining a broken arm.

---
*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*