Symbol 1573 from ISO 7000 - Title/Meaning: Chopper 
Function/description: To identify the control for the chopper of the combine harvester or other crop processing equipment. To indicate the operational status of the chopper.
Own work using: iso.org/obp/graphics/grs/bf5a8142-44ac-45c1-87f1-92dbb4c4395f 200.png
Vectorization:  Mrmw