volume Hierarchy

System: HEP

flowchart LR
    hep_volume["<b><a href="../../systems/hep/#volume" style="color: var(--md-mermaid-label-fg-color); text-decoration: none;">hep::volume</a></b><br><i>(pow<3>(<a href="../../systems/hep/#length" style="color: var(--md-mermaid-label-fg-color); text-decoration: none;">length</a>))</i>"]