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To quantify the contributions from each erosion mechanism , additively manufactured AlSi10Mg internal channels were surface finished in isolated conditions of a ) liquid impingement , b ) absolute cavitation erosion , c ) absolute abrasion , and d ) cavitation-assisted microparticle abrasion .
 concept or principle: mechanism; manufacturing process: additively manufactured; concept or principle: surface; material: b; concept or principle: cavitation; material: c
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: mechanism, additively manufactured, surface, b, cavitation, c 
Answer:
 concept or principle: mechanism; manufacturing process: additively manufactured; concept or principle: surface; material: b; concept or principle: cavitation; material: c