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To investigate the effect of the manufacturing process on the mechanical properties of 3D-printed parts , a series of experiments including Dynamic Mechanical Analysis ( DMA ) and ultrasonic wave propagation were conducted .
 manufacturing process: manufacturing process; concept or principle: mechanical properties; application: 3D-printed parts; concept or principle: Dynamic Mechanical Analysis; concept or principle: DMA
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: manufacturing process, mechanical properties, 3D-printed parts, Dynamic Mechanical Analysis, DMA 
Answer:
 manufacturing process: manufacturing process; concept or principle: mechanical properties; application: 3D-printed parts; concept or principle: Dynamic Mechanical Analysis; concept or principle: DMA