Specification conformity (1) Do ma

Specification conformity
(1) Do materials in use conform to their specifications?
(2) Are there any recycled materials in use? If yes, confirm the following:.
(3) Are returned materials traceable? *Refer to note3).
(4) If recycled materials are used, is the recycle ratio maintained?
(5) If recycled materilas cannot be used, are virgin materials thoroughly used?