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!
Solar water heating is arguably the most energy-efficient way of producing domestic hot water, as the primary energy source  sunlight  is free. Solar water heating has been used for many years in warm sunny climates, but it can work in locations as far north as Canada and Northern Europe.