15357
Thus silicon does not measurably react with the air below 900 " °C , but formation of the vitreous dioxide rapidly increases between 950 " °C and 1160 " °C and when 1400 " °C is reached , atmospheric nitrogen also reacts to give the nitrides SiN and SiN .
 SiN, SiN
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 SiN, SiN