Because I have nothing to do, I want to chat with you today.
Watering is not allowed when the sun is strong at midday. Watering vegetables and trees is not allowed because the sun is so strong that after watering, the temperature will rise when exposed to the sun, causing the soil to burn. vegetables and root trees. In this season, watering should be done early in the morning or after sunset and the drop in surface temperature.
About science fiction:
There is no water on the sun. You can use an awning and put water on the awning, which is equivalent to watering the sun.
Choose the one that suits you.
In order to ensure the safety of solar vacuum tubes, it is best to fill the water in the morning before sunrise or 2 hours after sunset. It is strictly prohibited to add water to the solar panel at noon to avoid sudden changes ine temperature of the water in the vacuum tube causing the tube to explode. Reason: The temperature of the solar vacuum tube can quickly reach 240℃ when there is no water (that is, it is air-dried). At this time, when water is added, the temperature difference is too large, which can easily break the vacuum tube. vacuum tube; in normal use, although the water temperature in the tube is not too high (generally 50-90℃), but in order to extend the life of the vacuum tube, it is best to fill the water the night. or the next morning.