Symbol 0797 from ISO 7000 - Title/Meaning: Rotary piston engine 
Function/description: To identify the tester control position if a rotary piston engine should be subjected to a diagnosis.
Own work using: iso.org/obp/graphics/grs/450fd632-a283-49df-973f-70969b4e0169 200.png
Vectorization:  Mrmw