The term construction worker is identified in base64 scheme by the sequence Y29uc3RydWN0aW9uIHdvcmtlcg==, while the MD5 signature is equal to adddcba7e18ec58179c03069d7b6c47e. The ASCII encoding of construction worker in hexadecimal notation is 636f6e737472756374696f6e20776f726b6572.