Roller balls used in cement plant machinery to grind down raw materials in the manufacturing of cement.

---

Size: 5807px × 5896px
Location: USA
Photo credit: © H. Mark Weidman Photography / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: --doors, balls, barrels, buckets, building, business, cement, colorful, commerce, company, concrete, construction, dangerous, dirty, energy, facility, factory, grind, industrial, industry, iron, lime, limestone, machine, manufacture, metal, objects, outdoors, plant, produce, production, raw, roller, safety, work