The term refrigeration system is identified in base64 scheme by the sequence cmVmcmlnZXJhdGlvbiBzeXN0ZW0=, while the MD5 signature is equal to 2419d9dda833765bc76fe9b205bf421e. The ASCII encoding of refrigeration system in hexadecimal notation is 72656672696765726174696f6e2073797374656d.