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Third rail print that page


insulated brackets, typically at intervals of 10 feet (3.0 metres) or so. The trains have metal contact blocks called "shoes" which make contact with the conductor rail. The traction current is returned to the generating station through the running rails. The conductor rail is usually made

Videoconferencing print that page


A videoconference or video conference (also known as a videoteleconference ) is a set of interactive telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions simultaneously. It has also been called 'visual collaboration' and

Tire print that page


performance by providing a flexible cushion that absorbs shock while keeping the wheel in close contact with the ground. The word itself may be derived from the word "tie," which refers to the outer steel ring part of a wooden cart wheel that ties the wood segments together (see Etymology

Sperm donation print that page

fertility clinic , or at home. Home donations are done using sperm from a known donor, or from a contact through a classified advert or sperm donation forum or website. [ citation needed ] Pregnancies are usually achieved using donated sperm by artificial insemination (either by ICI or | 2011/9/30 18:17:52

The Culture print that page |

Lake Burley Griffin print that page |

Heat sink print that page |

Disc brake print that page |

Rotary Youth Exchange print that page |