2016
The first worth mentioning is that most topology optimization software at present operates on the topology itself and subsequently certain areas can be selected for latticing , i.e .
 engineering feature: topology optimization; concept or principle: software; concept or principle: topology; process parameter: areas; material: be
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:
 engineering feature: topology optimization; concept or principle: software; concept or principle: topology; process parameter: areas; material: be