↩ 🔵 🔵 🔵 ❪✺❫ Physical Concepts ○ Thermodynamics 𓆩⚪𓆪 ❪✺₁❫ Thermodynamic Classes ○ ❪✺_❫ Thermodynamic Subs ○ ❪∂❫ Thermodynamics Math ○