Symbol 2971 from ISO 7000 - Title/Meaning: Additive Function/description: To indicate the presence of an additive to be mixed with other components or that the container contains an additive. On fire fighting equipment: to identify the control to initiate and control the output of an additive into the fire fighting process.
pay attention to orientation of symbol
Own work using: iso.org/obp/graphics/grs/f73c35ce-5c7c-47b5-aec8-8eac13430584 200.png
Vectorization:  Mrmw