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Through matching a knowledge of material characteristics with the performance features of particular WAAM techniques , a quality-based framework is proposed , for producing high-quality and defect-free components .
 material: material; concept or principle: performance; manufacturing process: WAAM; concept or principle: framework; machine or equipment: components
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: material; concept or principle: performance; manufacturing process: WAAM; concept or principle: framework; machine or equipment: components