989
In conclusion , AM of fiber reinforced polymer composites is tremendously promising in turning 3D printing from a prototyping method to a robust manufacturing technique .
 manufacturing process: AM; material: fiber reinforced polymer composites; manufacturing process: turning; manufacturing process: 3D printing; concept or principle: prototyping; manufacturing process: manufacturing
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:
 manufacturing process: AM; material: fiber reinforced polymer composites; manufacturing process: turning; manufacturing process: 3D printing; concept or principle: prototyping; manufacturing process: manufacturing