First, read the English article below.

Heat until the water is warm but not hot or boiling. You do not want to use boiling water because then you will have to wait for it to cool before you can use your hands to mix the slime. You can also pour the water into a microwave-safe bowl and place it in the microwave for 45 seconds to 1 minute to heat up the water. 

Now, please write a short abstract for it in Vietnamese. Abstract:
Cho 1 cốc nước vào chảo nhỏ.