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In some cases there has been significant progress although it increases the complexity of simulation and of process planning of AM-based value chains .
 concept or principle: complexity; enabling technology: simulation; concept or principle: process planning
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: complexity, simulation, process planning 
Answer:
 concept or principle: complexity; enabling technology: simulation; concept or principle: process planning