148103
In the 1830s he worked with the Cockerill-Sambre steel manufacturers in Seraing , Belgium .
 Cockerill-Sambre, Seraing
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cockerill-Sambre, Seraing