# MACHINERY
> MSHA accident `220212670010` · 09/23/2021 · Continental Cement Company, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Contact with hot objects or substances
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** KILN PROD,INC BLDUP,REMOV
- **Nature of injury:** BURN OR SCALD (HEAT)
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 11
- **Mine experience:** 5 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Continental Cement Company, LLC
- **Mine:** [1300125](https://api.ai-analytics.org/mine/1300125)
## Narrative

Tertiary air duct was being cleaned. Miner placed a jackhammer bit against equipment and stepped away to cool off. Miner returned to close the door to tertiary and bumped the jackhammer bit knocking it over, striking an air cannon. The air Cannon discharged and blew material out of tertiary, striking the miner. Miner was burnt on Chest, Neck, and Left Arm by flying debris.

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