One day
Enjoying the sight of the pool full of fresh water, he was so pleased that he said there would be few schools with such a big swimming pool. Looking around the inside sitting on a diving tower he sighted the windows.
He said that if the windows were big it would be difficult to keep the inside warm in winter and that it would be needless to fix windows in the pool since it was fully equipped for illumination.
Then he acquainted himself with the heating facility of the pool measuring the water temperature.
He said: You should make it a proper indoor swimming pool so that it can be used in all seasons. If it is hard to install a heating facility underground, you should, at least, build a water heating station.
Then you will be able to keep the swimming pool water warm enough.
In addition to this, the leader mentioned how to make grooves along the edge of the tank of the pool. It was an expression of his warm care for the rising generation.
Even though it was a small swimming pool at a primary school, he paid deep attention lest there should be a slight defect.