Escape and cooling timescales for electrons, as a function of energy, for two galaxies with Ṁ_∗ = 0.005 (left panel) and 200 M_⊙ yr⁻¹ (right panel), in the base (0) scenarios. The solid lines in different colours represent different cooling processes: ionisation (yellow), Bremsstrahlung (red), IC (green), and synchrotron (pink). The black lines indicate diffusion (dot-dashed and dashed for K0 and B0 scenarios, respectively), and the grey double-dot-dashed line indicates advection.