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For the early cost estimation of the production of the part , the costs are often expressed as cost per cm3 of the printed part .
 concept or principle: cost estimation; manufacturing process: production; material: as
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: cost estimation, production, as 
Answer:
 concept or principle: cost estimation; manufacturing process: production; material: as