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Design and construction Tynwald and her identical twin Fenella ( II ) were both built by Vickers Armstrong at Barrow-in-Furness , and both were launched on the same day , 16 December 1936 .
 Vickers Armstrong, Barrow-in-Furness
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Vickers Armstrong, Barrow-in-Furness