The term automobile mechanic is identified in base64 scheme by the sequence YXV0b21vYmlsZSBtZWNoYW5pYw==, while the MD5 signature is equal to ca404d8aa6de256fc5418e2ae1c39688. The ASCII encoding of automobile mechanic in hexadecimal notation is 6175746f6d6f62696c65206d656368616e6963.