self-cleaning filter
71Humidifier — A humidifier is a household appliance that increases humidity (moisture) in a single room or in the entire home. There are point of use humidifiers, which are commonly used to humidify a single room, and whole house or furnace humidifiers, which… …
72IndigNation — was Singapore s historic, inaugural, month long gay pride celebration held in August 2005 to coincide with the republic s 40th National Day. It has since become an important, annual event in the local LGBT calendar, held throughout the month of… …
73Tune up — A tune up (also known as a major service) is regular maintenance performed on an automobile, or more generally, any internal combustion engine. Most automobile manufacturers recommend a tune up to be performed at an interval of 30,000 miles… …
74dam — dam1 /dam/, n., v., dammed, damming. n. 1. a barrier to obstruct the flow of water, esp. one of earth, masonry, etc., built across a stream or river. 2. a body of water confined by a dam. 3. any barrier resembling a dam. v.t. 4. to furnish with a …
75Dam — /dam, dahm/, n. (Carl Peter) Henrik /kahrl pee ter hen rik/; Dan. /kahrddl pay teuhrdd hen rddik/, 1895 1976, Danish biochemist: Nobel prize for medicine 1943. * * * I Barrier built across a stream, river, or estuary to conserve water for such… …
76Social behaviour in animals — Introduction actions of animals living in communities. Such behaviour may include the feeding of the young, the building of shelters, or the guarding of territory. General characteristics Social behaviour (Social behaviour in animals) …
77Membrane technology — The membrane technology covers all process engineering measures for the transport of substances between two fractions with the help of permeable membranes. That means in general mechanical separation process for separation of gaseous or liquid… …
78Sangha — This article concerns the concept of Sangha in Buddhism. For information on other senses, see Sangha (disambiguation). Part of a series on Buddhism Outline · Portal …
79Corrugated fiberboard — is a paper based material consisting of a fluted corrugated sheet and one or two flat linerboards. It is widely used in the manufacture of corrugated boxes and shipping containers. The corrugated medium and linerboard are made of containerboard,… …
80Brushed DC electric motor — A brushed DC motor is an internally commutated electric motor designed to be run from a direct current power source. Contents 1 Simple two pole DC motor 2 The commutating plane 2.1 Compensation for stator field distortion …
