You can build a retaining wall with the Retaining Wall Stone product up to 2 feet high. That would be a total of 7 layers of wall because it is recommended that you bury one full layer of wall in the ground for stability. If you have the space you can a terraced wall.
Definitions for comfortability. Here are all the possible meanings and translations of the word comfortability. Wiktionary(5.00 / 1 vote)Rate this definition: comfortability(Noun) Comfort; the condition of being comfortable. comfortability(Noun) The degree to which something or someone is comfortable.
Human factors and ergonomics (commonly referred to as HF&E), also known as comfort design, functional design, and systems, is the practice of designing products, systems, or processes to take proper account of the interaction between them and the people who use them.