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Thin 316L stainless steel rods were fabricated by continuous directed energy deposition in Z direction .
 material: 316L stainless steel; concept or principle: fabricated; manufacturing process: directed energy deposition
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: 316L stainless steel, fabricated, directed energy deposition 
Answer:
 material: 316L stainless steel; concept or principle: fabricated; manufacturing process: directed energy deposition