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The R-B International era In 1985 Ruston Bucyrus was bought by its management , severing all links with Bucyrus-Erie resulting in the formation of ' R-B Lincoln ' , which became R-B International , a subsidiary of Lincoln Industries ( part of The Heather Corporation Ltd ) .
 Ruston Bucyrus, Bucyrus-Erie, Lincoln, Lincoln
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ruston Bucyrus, Bucyrus-Erie, Lincoln, Lincoln