8755
This paper can be seen as initial work that can help to further develop predictive numerical tools for Material Extrusion Additive Manufacturing , as well as for the design of structural components .
 material: be; material: as; machine or equipment: tools; manufacturing process: Material Extrusion Additive Manufacturing; material: as; material: as; engineering feature: design; concept or principle: structural components
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: be, as, tools, Material Extrusion Additive Manufacturing, as, as, design, structural components 
Answer:
 material: be; material: as; machine or equipment: tools; manufacturing process: Material Extrusion Additive Manufacturing; material: as; material: as; engineering feature: design; concept or principle: structural components