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Among the various AM processes , laser-based powder bed fusion ( LPBF ) is very popular , in which geometrically complex structures can be manufactured directly from CAD models .
 manufacturing process: AM processes; manufacturing process: powder bed fusion; manufacturing process: LPBF; concept or principle: complex structures; material: be; enabling technology: CAD models
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: AM processes, powder bed fusion, LPBF, complex structures, be, CAD models 
Answer:
 manufacturing process: AM processes; manufacturing process: powder bed fusion; manufacturing process: LPBF; concept or principle: complex structures; material: be; enabling technology: CAD models