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Furthermore a deep discussion of polymer-based non-assembly mechanisms may be found in , proving that the polymer-based AM technologies are close to maturity for this kind of application .
 material: be; manufacturing process: AM technologies
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:
 material: be; manufacturing process: AM technologies