1. (1) Materials which are Skydrol compatible or resistant include most common aircraft metals and polyurethane and epoxy paints. (2) Skydrol hydraulic fluid is compatible with nylon and natural fibers. Regarding the above statements, A. both No. 1 and No. 2 are true. B. neither No. 1 nor No. 2 is true. C. only No. 1 is true.