4806
In relation to ( b ) , we use million-body dynamics simulations to gauge how various granular mixture parameters and rolling regimes combine to ultimately control the roughness of the surface being sintered .
 material: b; enabling technology: simulations; concept or principle: parameters; manufacturing process: rolling; machanical property: roughness; concept or principle: surface; manufacturing process: sintered
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: b, simulations, parameters, rolling, roughness, surface, sintered 
Answer:
 material: b; enabling technology: simulations; concept or principle: parameters; manufacturing process: rolling; machanical property: roughness; concept or principle: surface; manufacturing process: sintered