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New technologies can be justified with the advent of the additive manufacturing , excels by its flexibility in manufacturing parts of various geometries , good accuracy and material waste reduction savings .
 concept or principle: technologies; material: be; manufacturing process: additive manufacturing; concept or principle: flexibility in manufacturing; concept or principle: geometries; process characterization: accuracy; material: material; concept or principle: reduction
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:
 concept or principle: technologies; material: be; manufacturing process: additive manufacturing; concept or principle: flexibility in manufacturing; concept or principle: geometries; process characterization: accuracy; material: material; concept or principle: reduction