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.
From 3400 BC, the priests (who were earlier the rulers of the cities) were responsible for the distribution of food and the careful monitoring of surplus for trade. By 2000 BCE, Babylon controlled the Fertile Crescent and the region saw advances in law, literature, religion, science, and math.