The term building material is identified in base64 scheme by the sequence YnVpbGRpbmcgbWF0ZXJpYWw=, while the MD5 signature is equal to 9500815a6f854c75fe47f2b335a5da03. The ASCII encoding of building material in hexadecimal notation is 6275696c64696e67206d6174657269616c.