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Two different honeycomb structures are manufactured with LENS system from Ti-6Al-4V alloy .
 engineering feature: honeycomb structures; concept or principle: manufactured; manufacturing process: LENS; material: Ti-6Al-4V alloy
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: honeycomb structures, manufactured, LENS, Ti-6Al-4V alloy 
Answer:
 engineering feature: honeycomb structures; concept or principle: manufactured; manufacturing process: LENS; material: Ti-6Al-4V alloy