837
Therefore , options also to apply Additive Manufacturing ( AM ) as alternative were investigated .
 manufacturing process: Additive Manufacturing; manufacturing process: AM; material: as
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: Additive Manufacturing, AM, as 
Answer:
 manufacturing process: Additive Manufacturing; manufacturing process: AM; material: as