3826
Five commercially available resins were evaluated under exposure from 365 nm and 405 nm light at varying power densities and energies .
 resins, exposure, power
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:
 resins, exposure, power