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.
Reid A. Holland, The Civilian Conservation Corps in the City: Tulsa and Oklahoma City in the 1930s, The Chronicles of Oklahoma 53 (Fall 1975). Reid A. Holland, Life in Oklahoma's Civilian Conservation Corps, The Chronicles of Oklahoma 48 (Summer 1970). John A. Salmond, The Civilian Conservation Corps, 1933â1942: A New Deal Case Study (Durham, N.C.: Duke University Press, 1967).