> AM-2 Aluminum Matting, Portable Aircraft Arresting Gear and Marking (lighting) Systems. AM-2 matting is the base upon which the entire EAF system rests. > AM

> AM-2 Aluminum Matting, Portable Aircraft Arresting Gear and Marking (lighting) Systems. AM-2 matting is the base upon which the entire EAF system rests. > AM-2 matting consists of 1 1/2" x 2' steel rectangles ... So, are they aluminum or are they steel? Or some structure involving both?