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Results indicate that , in terms of total ReCiPe endpoints , the environmental impact of producing a kg of stainless steel 308 l product using WAAM is comparable to green sand casting .
 concept or principle: impact; material: stainless steel; manufacturing process: WAAM; manufacturing process: sand casting
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 concept or principle: impact; material: stainless steel; manufacturing process: WAAM; manufacturing process: sand casting