875
17 shows a comparison in tensile strength of 3D printed tensile bars , using various fillers , as well as their microstructure .
 machanical property: tensile strength; manufacturing process: 3D printed; material: as; material: as; concept or principle: microstructure
Please list all entity words in the text that fit the category.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} 
Answer:
 machanical property: tensile strength; manufacturing process: 3D printed; material: as; material: as; concept or principle: microstructure