An official European Technical Report prCEN/TS 15398 is listing all these graphic symbols. This technical report establishes:   - a system of graphic symbols for use in the marking of :     • resilient floor coverings manufactured from plastics,     linoleum, cork or rubber, excluding loose-laid mats     • textile floor coverings, excluding loose-laid mats     • laminate floor coverings;     • floor panel for loose laying   - specifies the use of these symbols.