1153
2 Cellular structures in AM Cellular structures represent an important structural design feature in AM , commonly used for lightweighting .
 engineering feature: Cellular structures; manufacturing process: AM; engineering feature: structural design; engineering feature: feature; manufacturing process: AM; machanical property: lightweighting
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: Cellular structures; manufacturing process: AM; engineering feature: structural design; engineering feature: feature; manufacturing process: AM; machanical property: lightweighting