The term mechanical engineering is identified in base64 scheme by the sequence bWVjaGFuaWNhbCBlbmdpbmVlcmluZw==, while the MD5 signature is equal to 23f7245fccee2e4f5261bcca160d3093. The ASCII encoding of mechanical engineering in hexadecimal notation is 6d656368616e6963616c20656e67696e656572696e67.