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As the material properties change due to the powder bed fusion process , the model takes it into account .
 material: As; concept or principle: material properties; manufacturing process: powder bed fusion process; concept or principle: model
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: As, material properties, powder bed fusion process, model 
Answer:
 material: As; concept or principle: material properties; manufacturing process: powder bed fusion process; concept or principle: model