# MACHINERY
> MSHA accident `220052280005` · 07/28/2005 · Semco Stone
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Crane operator, Mobile equipment operator (MEO), Dragline operator, Dropball operator, Rigger
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** FOOT(NOT ANKLE/TOE)/TARSUS/METATARSUS
- **Days lost:** 0
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Edward J  Robinson
- **Operator:** Semco Stone
- **Mine:** [2302190](https://api.ai-analytics.org/mine/2302190)
## Narrative

The quarry operator was using a hammer drill to drill holes in stone in preparation for using DEXPAN non-explosive expansion agent. The drill bit broke and the drill fell on the operators foot causing a contusion to the left foot.

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