211781
The Municipal Services Standards Committee ( NKT ) of the German Institute for Standardization ( DIN ) is responsible for standardisation in the field of waste management and city cleaning .
 German Institute for Standardization
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 German Institute for Standardization