People in Ukraine share ideas online. They share ideas to help each other. These ideas help when electricity is not working.
This happens in the winter. It is cold in Ukraine. Electricity is sometimes not working in winter.
These ideas are important. They help people stay warm. They help people have light and heat.
When people share these ideas, many people learn. This helps many families in Ukraine.
In short, sharing ideas helps people survive in winter power cuts. People learn how to stay warm and safe.