In their most familiar form, springs are toughened coils of metal that help things return to a particular position, but they can also be used to absorb energy (as in car suspension) or store it for long periods of time (as in watches and clocks). You can find springs in everything from automatic doors to ballpoint pens.
Leonia, New Jersey. Homefacts City Report. Leonia is located in Bergen County, NJ. The population is 8,948. There are 3 public schools in Leonia with an average Homefacts rating of B+. The total crime rate for Leonia is very low, and there are 1 registered sex offenders residing in the city.
Jamesburg is a Borough in Middlesex County, New Jersey, United States. As of the United States 2000 Census, the borough population was 6,025. Jamesburg was formed as a borough by an Act of the New Jersey Legislature on March 19, 1887, when it was created from portions of Monroe Township, based on the results of a referendum held on March 15, 1887. Jamesburg's incorporation was confirmed April 15, 1915.