Rubbing causes friction, friction creates heat.
Friction
rub them together
The friction between your hands create heat energy and obviously makes your hand warm.
Rub it against something warm, generate heat to get back the circulation.
You can feel heat when you rub your hand together!
yes, warm but DO NOT rub.
Yes, just rub it with the thinner for that paint, when it softens ,hand wash in warm water.
When you rub your hands together, friction is created between them. This friction generates heat, causing your hands to feel warm.
friction
Keep warm, and try not to become frightened.
Rub your hand in its ear.
You should rub your hands together for at least 20 seconds when using an alcohol-based hand rub, ensuring that all surfaces of your hands are covered to effectively kill germs.