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The " 80 class " are a class of diesel locomotives built by Comeng for the Public Transport Commission between 1978 and 1983 .
 Comeng, Public Transport Commission
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Comeng, Public Transport Commission