Machines for processing foodstuffs, especially machines for processing cocoa and chocolate, namely, cylinders for mills and for use in the manufacture of colorants and chocolate; grinder-mixers; mixers; rolling mills, machines for refining chocolate, namely, conches for conching chocolate masses and toppings; static stand mixers; industrial machines, namely, inoculation crystallization installations, comprising cooling and heating receptacles containing chocolate mass for use in processing co...