2092
6.2 Mini and Micro internal geometry in AM For mini and micro levels of geometry , used for transport of fluidic media , the minimal feature size of the AM technology chosen is often the limiting factor .
 engineering feature: internal geometry; manufacturing process: AM; concept or principle: micro levels; concept or principle: geometry; process characterization: transport; process parameter: feature size; manufacturing process: AM technology
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:
 engineering feature: internal geometry; manufacturing process: AM; concept or principle: micro levels; concept or principle: geometry; process characterization: transport; process parameter: feature size; manufacturing process: AM technology