Within the low where do occluded fronts form?

Which is the boundary that separates the new cold air mass (to the west) from the older cool air mass already in place north of the warm front. Symbolically, an occluded front is represented by a solid line with alternating triangles and circles pointing the direction the front is moving.

Exothermic,  physical change after it is already baked

Niye yedi puan mal oglu mal