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, also known as the CCC, was a work program started by Franklin D. Roosevelt in 1933 in the wake of the great depression. The CCC is responsible for building many of the nationâs parks, bridges, and roadways. Many of the facilities located at Lake Greenwood State Park were built by the CCC.