1536
p-median models are applied to identify the optimal location for metal AM hubs in the U.S. that would serve as near-net manufacturers to supply processed build plates to HT facilities who will ship it to machine shops after HT .
 manufacturing process: metal AM; material: as; concept or principle: processed; machine or equipment: build plates; machine or equipment: machine
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: metal AM, as, processed, build plates, machine 
Answer:
 manufacturing process: metal AM; material: as; concept or principle: processed; machine or equipment: build plates; machine or equipment: machine