Delivery services are a popular dining option with U.S. consumers, as a November 2016 survey found that 20 percent of respondents use food delivery at least once a week. Facts on the food delivery industry in the U.S. Embed Top Facts.
The running martingale has only one purpose, which is to prevent the horse from throwing its head too high when taken by the bit, especially when taken back. This is why it was primarily used on green horses that did not know how to respond to the bit.
A parallel circuit is used in a strand of Christmas lights so that if one bulb goes out, the rest don't. A parallel circuit is also used in circuit breakers of houses.A series circuit is used in a flashlight.es you would use a serial circuit You would use parallel circuit lights for a Christmas tree because if you used series circuit lights, and one of the bulb blows, the rest o â¦ f the bulbs will go out.