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. As Franklin Delano Roosevelt (FDR) took office as President of the United States of America, the country was in the midst of the Great Depression. Although unemployment and crime rates were at record-high levels, no solutions for public relief had been proposed by the government.