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Tubular structures are fabricated to demonstrate the ease of site-specific composition and dimensional tolerancing using this method .
 engineering feature: Tubular; concept or principle: fabricated; concept or principle: composition
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: Tubular, fabricated, composition 
Answer:
 engineering feature: Tubular; concept or principle: fabricated; concept or principle: composition