The term internal combustion is identified in base64 scheme by the sequence aW50ZXJuYWwgY29tYnVzdGlvbg==, while the MD5 signature is equal to ac619dc8ed2bbd2066718148d322d6c5. The ASCII encoding of internal combustion in hexadecimal notation is 696e7465726e616c20636f6d62757374696f6e.