↩ 🔵 🔵 🔵 ❪✺_ₜₛ❫ Physical Typesets ○ ❪𝛿❫ Physical Quantities ○ Amount of Substance (n) ○◂ Current (I) ○◂ Length (l) ○◂ Mass (m) ○◂ Temperature (T) ○◂ Time (t) ○◂ Also: Dimension ○