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In the context of the large format additive manufacturing in ambient conditions , extrusion materials need to be thermally stable , thus short fiber-reinforced composites have been developed to tailor the thermal behavior .
 manufacturing process: additive manufacturing; manufacturing process: extrusion; material: be; material: composites
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: additive manufacturing, extrusion, be, composites 
Answer:
 manufacturing process: additive manufacturing; manufacturing process: extrusion; material: be; material: composites