Symbol 0024 from ISO 7000 - Title/Meaning: Open (a container) 
Function/description: To identify the control or the indicator for opening a container (for example, open the unloading hatch, or to indicate that the opening action is finished).
Own work using: iso.org/obp/graphics/grs/7fc694fe-80af-476f-a71c-69780c593c8d 200.png
Vectorization:  Mrmw