With 'In manual systems, attestations, verifications, and approvals are usually shown by a signature or initial of an individual on a hard copy document.', is it rational to deduce 'A signature in a manual system is meant to show disapproval.'
In manual systems, attestations, verifications, and approvals are usually shown by a signature or initial of an individual on a hard copy document.###A signature in a manual system is meant to show disapproval.