# HANDTOOLS (NONPOWERED)
> MSHA accident `220072850001` · 08/30/2007 · St Lawrence Cement Llc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Welder (shop)
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 26.54 years
## Operator
- **Controller:** St Lawrence Cement LLC
- **Operator:** St Lawrence Cement Llc
- **Mine:** [1800019](https://api.ai-analytics.org/mine/1800019)
## Narrative

While tightning 2"" bolts on a top plate of the primary crusher using a 24"" pipe wrench and a 10 lb. hammer employee strained his lower back. Employee was in a bent over position while performing the work.

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