7871
The limiting printing conditions are studied by determining the length over which the polymer temperature is below the glass transition temperature .
 material: polymer; concept or principle: glass transition temperature
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, glass transition temperature 
Answer:
 material: polymer; concept or principle: glass transition temperature