Symbol 2199 from ISO 7000 - Title/Meaning: Cutterhead, forward rotation Function/description: To identify the control that rotates the cutterhead forward. To indicate the cutterhead is rotating in the forward direction.
pay attention to orientation of symbolAdditional information: 
Symbol revised by ISO/TC 145/SC 3 on 2014-08-27.
Own work using: iso.org/obp/graphics/grs/5babace2-a48e-459d-ae1e-caa2dd3cbe31 200.png
Vectorization:  Mrmw