a term used to mean water tight as on, or in, a roof with two and five strips of sheet metal, as copper or galvanized iron, bent to fit in the intersecting interior angle between two intersecting roof surfaces to make a watertight joint. The upstanding leg of the flashing strip must be covered with […]
the liquid which separates from a gas (including blue gases) due to a reduction in temperature.
a pit for the reception or detention of sewage. Sometimes called a dry well, especially when of relatively small diameter and large depth. Distinguished from a septic tank by the fact that water, or sewage, does not enter and leave the cesspool at the same time and rate.
a group of bacteria, predominantly inhabitants of the intestines of humans but also found on vegetation, including all aerobic and facultative anerobic gram-negative, non- spore-forming bacilli that ferment lactose with gas formation.
a temperature scale based on absolute zero (approximately – 460 °F on the Rankine Scale or -273 °C on the Kelvin Scale)
bacteria having the quality of being able to live or thrive under more than one set of conditions with or without oxygen.
pl. algae. Any of a group of chiefly aquatic, non vascular plants such as seaweed, pond scums, stonewarts, with chlorophyll often marked by a brown or red pigment. These plant bodies carry on photosynthesis and are independently able to make their own food.