The term reciprocating engine is identified in base64 scheme by the sequence cmVjaXByb2NhdGluZyBlbmdpbmU=, while the MD5 signature is equal to 0f0b5444129978099fc42f98b89fdabe. The ASCII encoding of reciprocating engine in hexadecimal notation is 7265636970726f636174696e6720656e67696e65.