when you are done with it or when it stops being cold.
Never throw away beer!
A flu/cold.
The pancakes went cold.
Definitely.
cold pack contains cold stuff like ice, hot pack stuuf like fire
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.
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.
Throw It Away was created in 2003.
You can throw anything away if you wish to.
When a cold pack is broken, it initiates a chemical reaction between the substances inside the pack. This reaction absorbs heat from the surrounding environment, causing the pack to feel cold. Breaking the pack allows for the substances to mix and react, resulting in the release of cold temperatures.
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!