1983
On the other hand , when doing structure design via generative design methods , the global optimum and computational cost should be given attention .
 engineering feature: structure design; enabling technology: generative design; 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: structure design; enabling technology: generative design; material: be