The term hot-water heater is identified in base64 scheme by the sequence aG90LXdhdGVyIGhlYXRlcg==, while the MD5 signature is equal to 20471f1f3ae90fe24cf8c22ed66a7ac6. The ASCII encoding of hot-water heater in hexadecimal notation is 686f742d776174657220686561746572.