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However , researchers have paid comparatively little attention to understand the influences of polymer formulation on the printing resolution and surface quality .
 material: polymer; process parameter: resolution; process parameter: surface quality
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: polymer, resolution, surface quality 
Answer:
 material: polymer; process parameter: resolution; process parameter: surface quality