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Quantitative investigation of surface tension and surface shear stress distribution .
 concept or principle: Quantitative; machanical property: surface tension; concept or principle: surface; machanical property: shear stress; concept or principle: distribution
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: Quantitative, surface tension, surface, shear stress, distribution 
Answer:
 concept or principle: Quantitative; machanical property: surface tension; concept or principle: surface; machanical property: shear stress; concept or principle: distribution