1375
This process is applied to low-cost water-atomized iron powder with the goal of understanding the effects of printing parameters and sintering schedule on maximizing the green and sintered densities of manufactured samples , respectively .
 concept or principle: process; material: iron; concept or principle: parameters; manufacturing process: sintering; manufacturing process: sintered; concept or principle: manufactured
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: process, iron, parameters, sintering, sintered, manufactured 
Answer:
 concept or principle: process; material: iron; concept or principle: parameters; manufacturing process: sintering; manufacturing process: sintered; concept or principle: manufactured