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.
Frances Perkins explained in her book, The Roosevelt I Knew (1946): In one of my conversations with the President in March 1933, he brought up the idea that became the Civilian Conservation Corps. After he was elected President Franklin D. Roosevelt initially opposed massive public works spending. However, by the spring of 1933, the needs of more than fifteen million unemployed had overwhelmed the resources of local governments.