Cats don't need to be trained to use a litter box - they just do it. By understanding why they prefer to eliminate in a litter box will help their human owners not to make any mistakes in having and maintaining the cat box.
The conventional wisdom (in the Northern Hemisphere) is that the best direction to face solar panels is south, since that is generally where theyâd receive the most sunlight. However, the electricity system is not as simple as it sometimes seems, and the best direction to face solar panels may actually be west!
Most solar water heaters require a well-insulated storage tank. Solar storage tanks have an additional outlet and inlet connected to and from the collector. In two-tank systems, the solar water heater preheats water before it enters the conventional water heater.