Translations:Torréfacteur solaire de café/7/en

Roaster:

  • Cement mixer,
  • Black painting,
  • Aluminum sheets,
  • Isolating material (fiberglass, rock wool, foam,..)

Parabola:

  • Stainless steel or aluminum bars,
  • Metal frame, sheets of metal,
  • Wires

Mechanical par:

  • Belt or chain,

Gars (toothed wheels),

  • Handle or motor or water wheel