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Rail squeal is a sound caused by a train's wheels slipping under specific conditions, usually around sharp curves. [4] Air displacement of a train in a tunnel can create noise from turbulence. Trains also use horns, whistles, bells, and other noise-making devices for both communications and warnings.
When a train has made a full brake application due to adverse event, or has lost its train air due to a defective valve (a "kicker"), or a broken air line or train separation. The train crew will normally declare that they are "in emergency" over the train radio, thus warning other trains and the dispatcher that there is a problem.
The following is a list of all urban rail transit systems in Latin America, ranked by passenger ridership. These kinds of systems are most commonly known as metro (or subway in English), but may also be known as subte, tren, or tranvía systems.
GCFLearnFree.org was created in July 2000 by Goodwill Community Foundation Inc president Dennis McLain as an online training program with both English and Spanish language lessons. [2] The program was funded through revenue generated from the value of donated items to Goodwill Community Foundation (GCF).
The Renfe Class 102 or S-102 [note 1] (nicknamed "Pato" in Spanish, because of its nose that looks like the beak of a duck) is a push-pull high-speed train used for the AVE service and operated in Spain by the state-run railway company Renfe, and based on Bombardier Transportation's power car technology.
The train driver must press and release a button within three seconds to acknowledge the signal. Trains passing a signal at "Caution" will receive a speed control indication requiring the train to reduce speed until it passes the 300 meter balise at which point it will be required to reduce speed further or be released to proceed at normal speed.
This article should specify the language of its non-English content, using {}, {{transliteration}} for transliterated languages, and {} for phonetic transcriptions, with an appropriate ISO 639 code. Wikipedia's multilingual support templates may also be used.
Silbo Gomero is a complex language to learn, with its whistling techniques requiring physical precision and a strength of the body parts producing the language that can be acquired only by practice. Silbo Gomero uses the tongue, lips and hands and so differs greatly from conventional language, which uses the mouth cavity to blend and contrast ...