Symbol 0025 from ISO 7000 - Title/Meaning: Close (a container) 
Function/description: To identify the control or the indicator for closing a container (for example, closing the unloading hatch, or to indicate that the closing action is finished).
Own work using: iso.org/obp/graphics/grs/afdb9b36-eff4-4a5e-aa93-021b64d6eca5 200.png
Vectorization:  Mrmw