2170
In 36 , the detail design of a rotational joint and a snap-fit feature are shown for a nanosatellite metallic cubic structure fabricated by L-PBF .
 engineering feature: design; concept or principle: joint; engineering feature: snap-fit feature; material: metallic; engineering feature: cubic structure; manufacturing process: L-PBF
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: design; concept or principle: joint; engineering feature: snap-fit feature; material: metallic; engineering feature: cubic structure; manufacturing process: L-PBF