They are tanks of big capacity generally used for fluid dentonite. They are transported one inside the other. Once at worksite they are mounted one a top other to limit room. When installed, they are provided with handrails, stairs and non slip floors for the operator.

MODEL A  -   Two containers (Usefull capacity 95 m³)
  Long (mm) Wide (mm) High (mm) Capacity (m³)
Lower 11.500 2.300 2.400 55
Upper 10.700 1.900 2.250 40

MODELO B - Tres Depósitos (Capacidad total útil de 90 m³)
Max. long: 8.000 mm.
Max. high (at job): 2.600 mm.
Wide max.: 2.300 mm.