Protective Face Mask
Originally published in 1981
Body
Mask to protect the physically impaired from injuries to the face and head has been developed by Langley Research Center. It is made of composite materials, usually graphite or boron fibers woven into a matrix. Weighs less than three ounces.
Full article: http://hdl.handle.net/hdl:2060/20030004994
Abstract
Mask to protect the physically impaired from injuries to the face and head has been developed by Langley Research Center. It is made of composite materials, usually graphite or boron fibers woven into a matrix. Weighs less than three ounces.
Protective Face Mask
Protective Face Mask
