The letter D in a dream represents confrontation with sacrifice. Full awareness of a situation that demands that you give something up or put others first. The symbolism is based on the design of the letter D being a straight line that is facing a half circle.
drain line: A pipe line which is used to carry water from the water treatment system to a waste system. drinking water: A water treated or untreated which is intended for human use and consumption and considered to be free of harmful chemicals and disease-causing bacteria, cysts, viruses or other microorganisms.
Water treatment. For medical water treatment, see Water cure (therapy). Water treatment is any process that makes water more acceptable for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.