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It was concluded that semi-molten metallic powder particles of stainless steel 316L were responsible for the scattering and reduced strength of the material after solidification .
 machanical property: semi-molten; material: metallic powder; material: stainless steel; machanical property: strength; material: material; concept or principle: solidification
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:
 machanical property: semi-molten; material: metallic powder; material: stainless steel; machanical property: strength; material: material; concept or principle: solidification