when you are done with it or when it stops being cold.
Never throw away beer!
A flu/cold.
The pancakes went cold.
Definitely.
In cold packs is usedAmmonium nitrate. It's dangerous because it can explode. But for this it must be absolutely dry.In a cold pack it is in a water solution. Nevertheless you shouldn't eat it or contact it a long time with your skin. In case of a damage of the cold pack you can just wash it away with water.
cold pack contains cold stuff like ice, hot pack stuuf like fire
You can throw a party. I don't want to throw you so, before you throw a tantrum, how about looking at the link for some more English idioms with 'throw', that have nothing to do with catching.
You can throw anything away if you wish to.
Throw It Away was created in 2003.
You would have to have an Eacthomatdid reaction of chemcal chance to change a cold pack to a hot pack.
don't throw it away... SIMPLE!
A cold pack is to make lumps go down and a heat pack is for when your sick.