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The application of this technology is , however , challenged by the lack of process monitoring and control system that underpins process repeatability and part quality reproducibility .
 concept or principle: technology; concept or principle: process monitoring; machine or equipment: control system; concept or principle: process; concept or principle: quality
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: technology, process monitoring, control system, process, quality 
Answer:
 concept or principle: technology; concept or principle: process monitoring; machine or equipment: control system; concept or principle: process; concept or principle: quality