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.
In July 1943, in an attempt to salvage the deterioration of school lunches, Congress passed Public Law 129 to amend the Agricultural Act of 1935. This law re-established school lunch programs using $60 million to cover the purchase of food, but not labor. The next year, Congress appropriated another $50 million and allowed child-care centers to participate. Since the Act passed, Congress has modified several aspects of the policy.