9106
The additive manufactured specimens with ±45° and 90° infill direction and either the minimal or small void extrusion configuration had the strongest ultimate tensile strength ( average ranged from 1.44 to 1.51 MPa ) .
 additive manufactured, infill, void, extrusion, configuration, ultimate tensile strength, average, MPa
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 additive manufactured, infill, void, extrusion, configuration, ultimate tensile strength, average, MPa