902
Particularly in higher cost technologies , such as metal powder bed fusion , component design requires extensive additive manufacturing ( AM ) knowledge .
 concept or principle: technologies; material: as; manufacturing process: powder bed fusion; machine or equipment: component; manufacturing process: additive manufacturing; manufacturing process: AM
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: technologies, as, powder bed fusion, component, additive manufacturing, AM 
Answer:
 concept or principle: technologies; material: as; manufacturing process: powder bed fusion; machine or equipment: component; manufacturing process: additive manufacturing; manufacturing process: AM