4553
Different process parameters result in different pore formation mechanisms , each with characteristic pore sizes , shapes and locations within the 5 mm cube samples .
 process parameters, pore, pore sizes, mm, cube
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:
 process parameters, pore, pore sizes, mm, cube