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Laser powder bed fusion ( LPBF ) additive manufacturing technology is sensitive to variations in powder particle morphology and size distribution .
 manufacturing process: Laser powder bed fusion; manufacturing process: LPBF; manufacturing process: additive manufacturing; concept or principle: variations; material: powder particle; concept or principle: morphology; concept or principle: distribution
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: Laser powder bed fusion, LPBF, additive manufacturing, variations, powder particle, morphology, distribution 
Answer:
 manufacturing process: Laser powder bed fusion; manufacturing process: LPBF; manufacturing process: additive manufacturing; concept or principle: variations; material: powder particle; concept or principle: morphology; concept or principle: distribution