1084
Hence , the development of new tools , methods , and concepts for guiding companies to implement AM technologies requires more research attention .
 machine or equipment: tools; application: companies; manufacturing process: AM technologies; concept or principle: research
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:
 machine or equipment: tools; application: companies; manufacturing process: AM technologies; concept or principle: research