3608
Finally , considering sterilization of the aB-printed consumer products , we tested the resistive properties of bio PC parts against heat and UV .
 consumer products, properties, PC, heat, UV
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:
 consumer products, properties, PC, heat, UV