Symbol 3104B from ISO 7000 - Title/Meaning: Line drying in the shade Function/description: To indicate that line drying in the shade is allowed in the natural drying process.
pay attention to orientation of symbolApplication referenced in: ISO 3758:2012
Additional information: 
The meaning of this symbol depends on its orientation.
Own work using: iso.org/obp/graphics/grs/ec4ab604-00e9-4e24-aa54-f5ea7a9dd865 200.png
Vectorization:  Mrmw