331648
The OF-40 tank is a main battle tank developed as a joint venture between OTO Melara and FIAT , and intended primarily for export sales .
 OTO Melara, FIAT
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 OTO Melara, FIAT