The term mechanical drawing is identified in base64 scheme by the sequence bWVjaGFuaWNhbCBkcmF3aW5n, while the MD5 signature is equal to 5f13aa5687e43d6ee3d8c980ac423f8a. The ASCII encoding of mechanical drawing in hexadecimal notation is 6d656368616e6963616c2064726177696e67.