1597
This study also revealed the feasibility of producing porous metal sintered parts for electrochemical devices using the right processing parameters .
 concept or principle: feasibility; material: porous metal; machine or equipment: electrochemical devices; concept or principle: parameters
Please list all entity words in the text that fit the category.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} 
Answer:
 concept or principle: feasibility; material: porous metal; machine or equipment: electrochemical devices; concept or principle: parameters