2370
The wear resistance was also much improved in the Ti64/MG composite , arising from the higher hardness of the nanostructured reinforcement and the formation of a more protective tribo-oxide layer during sliding .
 machanical property: wear resistance; material: composite; machanical property: hardness; process parameter: reinforcement; process parameter: layer
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: wear resistance, composite, hardness, reinforcement, layer 
Answer:
 machanical property: wear resistance; material: composite; machanical property: hardness; process parameter: reinforcement; process parameter: layer