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Fibers can be mixed with traditional raw material powder in order to produce composite parts that are stronger .
 material: Fibers; material: be; material: raw material; material: powder; material: composite
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: Fibers, be, raw material, powder, composite 
Answer:
 material: Fibers; material: be; material: raw material; material: powder; material: composite