787
Additively manufactured components made of metallic material are subject to special consideration for many R & D departments , since the process control is not yet sufficiently reliable and therefore an extensive quality assurance is necessary .
 manufacturing process: Additively manufactured; material: metallic material; concept or principle: process control; concept or principle: quality
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:
 manufacturing process: Additively manufactured; material: metallic material; concept or principle: process control; concept or principle: quality