Rarely, other fibres such as paper or wood or asbestos have been used. The polymer is usually an epoxy, vinylester or polyester thermosetting plastic, and phenol formaldehyde resins are still in use. FRPs are commonly used in the aerospace, automotive, marine, construction industries and ballistic armor.
On  March 31, 1933, the U.S. Congress enacted legislation creating the Civilian Conservation Corps (CCC), a Depression-era federal agency. The CCC was one of the New Deal programs initiated in the first one hundred days of Franklin D. Roosevelt's presidential administration.
The Civilian Conservation Corps employed 274,375 young men between the ages of 17 and 25 in 1,300 camps nationwide. By 1935 the number of camps and employed young men increase â¦ d dramatically. Eventually, almost 3 million people served in the Corps.