Problem: During up-peak mode (also called moderate incoming traffic), elevator cars in a group are recalled to the lobby to provide expeditious service to passengers arriving at the building, most typically in the morning as people arrive for work or at the conclusion of a lunch-time period. Elevators are dispatched one-by-one when they reach a pre-determined passenger load, or when they have had their doors opened for a certain period of time. The next elevator to be dispatched usually has its hall lantern or a "this car leaving next" sign illuminated to encourage passengers to make maximum use of the available elevator system capacity. Some elevator banks are programmed so that at least one car will always return to the lobby floor and park whenever it becomes free.
Why is a "this car leaving next" sign used?
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Answer: to encourage passengers to make maximum use of the available elevator system capacity


Problem: Several influential people of the time, including Bell, viewed deafness as something that should be eradicated, and also believed that with resources and effort they could teach the deaf to speak and avoid the use of sign language, thus enabling their integration within the wider society from which many were often being excluded. In several schools, children were mistreated, for example by having their hands tied behind their backs so they could not communicate by signing—the only language they knew—in an attempt to force them to attempt oral communication. Owing to his efforts to suppress the teaching of sign language, Bell is often viewed negatively by those embracing Deaf culture.
What was the only language many deaf people had?
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Answer: signing


Problem: As it has on every aspect of Charleston culture, the Gullah community has had a tremendous influence on music in Charleston, especially when it comes to the early development of jazz music. In turn, the music of Charleston has had an influence on that of the rest of the country. The geechee dances that accompanied the music of the dock workers in Charleston followed a rhythm that inspired Eubie Blake's "Charleston Rag" and later James P. Johnson's "The Charleston", as well as the dance craze that defined a nation in the 1920s. "Ballin' the Jack", which was a popular dance in the years before "The Charleston", was written by native Charlestonian Chris Smith.
Geechee dances are associated with the music of what type of worker?
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Answer:
dock workers