Electric Arc Furnace VS Ladle Furnace

Electric arc furnace is often compared with ladle furnace. What is the difference between an electric arc furnace and a ladle refining furnace?
Ladle Refining Furnace Design

Ladle refining furnace has outstanding design features: artificial slag submerged in a “long arc” under atmospheric pressure, temperature measurement, sampling, microalloying, deoxidation, desulfurization, purification, etc. It ensures the improvement of steelmaking quality and productivity. It has precise temperature adjustment for continuous casting and steel composition (Metallurgical fine adjustment).