1065
a half MBB beam , Langelaar highlighted not only the effectiveness of the filter to avoid shallow angles and its effect on the final topology compared to the unconstrained model , but also the variation in compliance with the building orientation .
 engineering feature: half MBB beam; concept or principle: effectiveness; application: filter; concept or principle: topology; concept or principle: model; concept or principle: variation; process parameter: building orientation
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: half MBB beam; concept or principle: effectiveness; application: filter; concept or principle: topology; concept or principle: model; concept or principle: variation; process parameter: building orientation