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First mechanical tests demonstrate the high hardness and the competitive creep resistance of the AM V–9Si–5B material in comparison to other three-phase V-based alloys .
 process characterization: mechanical tests; machanical property: hardness; machanical property: creep; manufacturing process: AM; material: material; material: alloys
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: mechanical tests, hardness, creep, AM, material, alloys 
Answer:
 process characterization: mechanical tests; machanical property: hardness; machanical property: creep; manufacturing process: AM; material: material; material: alloys