24717
It has been claimed that a 6,000 year old copper amulet manufactured in Mehrgarh in the shape of wheel spoke is the earliest example of lost wax casting in the world .
 Mehrgarh
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mehrgarh