A.
When total revisions including left pages,above 60%of the total pages in the manual,a reassure of the manual should be prepared.
B.
When accumulated revisions including back-up pages,totalover 60%of the total pages in the manual,a reissue of the manual should be prepared.
C.
When accumulated revisions including left pages,above 60%of the total pages in die manual,a revise of the manual should be prepared.