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.
A physical treatment that removes the large particles from water, by size from largest to smallest in order to prevent damage to mechanics in further treatment. Screening occurs using bar racks or bar screens. Water is pumped under pressure into a housing containing a semipermeable membrane, where some water filters through that membrane.