reseña historica en ingles

Reseña histórica de una maquina trituradora.

Shredder waste wood and other products that provide a base (1) alimentaci on a hopper, a grinder set formed at least a roll crusher, and eventually drag device of matter crushed, characterized because they have rollers (8) located in a central forming a box CRUSHING on (2) and present opposite spin and act on a central piece uan (14) that in each of its sides act like ua counterknives, over the corresponding roller