A-The numbers on pressure-treated wood refer to the levels of preservative treatment and are important because they designate the intended uses of the wood. The numbers commonly used are LP-2, LP-22, 0.25 and 0.40.
Detail of a stone vase from Uruk. In a well-known description of ancient Babylonia, Berossus (or Bel-re'uÅ¡unu, to use his real name) says that. the land lies between the Tigris and the Euphrates rivers. It produces wild barley, chickpea, and sesame, and even, in its marshlands, edible roots, called gongai. These roots are the equal of barley in nutrition.
The Sumerians. Sumer, also known as the âland of the civilized kings,â was a flourishing civilization located in modern day Iraq (known as Mesopotamia in ancient times) around 4500 BC. The Sumerians had a rather advanced civilization with their own elaborate language and system of writing.