He takes long weekends every time the weather starts heating up.
She had biscuits in the oven and was heating up a pan to fry some eggs when Alex walked in.
Thus the necessary slowness of the heating up of the molten charge would compel us to make the removal of the carbon slow, even if this slowness were not already forced on us by the danger of having the charge froth so much as to run out of the furnace.
The fact that tidal forces are heating up part of the moon Enceladus was remarkable enough.
The global climate restores the equilibrium by either heating up or cooling down.
