5528
With the increase in microhardness taking the form of a cubic function , the wear mechanism was found to transform from abrasive wear to slight delamination wear .
 concept or principle: microhardness; concept or principle: wear mechanism; concept or principle: abrasive wear; concept or principle: delamination
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: microhardness, wear mechanism, abrasive wear, delamination 
Answer:
 concept or principle: microhardness; concept or principle: wear mechanism; concept or principle: abrasive wear; concept or principle: delamination