# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220180120021` · 12/28/2017 · Argos Puerto Rico Corp
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Contact with hot objects or substances
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Climb in piled material
- **Injury source:** MOLTEN METAL
- **Nature of injury:** BURN OR SCALD (HEAT)
- **Body part:** FOOT(NOT ANKLE/TOE)/TARSUS/METATARSUS
- **Days lost:** 19
- **Mine experience:** 6 years
## Operator
- **Controller:** Cementos Argos S A
- **Operator:** Argos Puerto Rico Corp
- **Mine:** [5400120](https://api.ai-analytics.org/mine/5400120)
## Narrative

During the process of completing the unblocking of the 4B pre-heating cycle, the production supervisor stepped on the remaining material, trusting that it was cold after applying air to it, resulting in a warming of the boot of the left foot causing a blister.

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