7090
Low melt viscosity and low shrinkage upon hardening further enable these materials to be easily processed into functional parts .
 melt, shrinkage, hardening, materials, be, processed
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 melt, shrinkage, hardening, materials, be, processed