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 (CCC) was a work relief program that gave millions of young men employment on environmental projects during the Great Depression. Considered by many to be one of the most successful of Rooseveltâs New Deal programs, the CCC planted more than three billion trees and constructed trails and shelters in more than 800 parks nationwide during its nine years of existence.