922
LENS™ fabricated materials had two regions of Ti6Al4V + Al12Si compositions , a pure Al12Si , and a pure Ti6Al4V area .
 concept or principle: fabricated; material: Ti6Al4V; material: Ti6Al4V; process parameter: area
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: fabricated, Ti6Al4V, Ti6Al4V, area 
Answer:
 concept or principle: fabricated; material: Ti6Al4V; material: Ti6Al4V; process parameter: area