5516
Traditionally this car was stripped of its seating and roofing each winter for use by permanent way crews , but this practice ceased in 1954 after which time the item has been a dedicating flatbed runner .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None