1886
The mechanical response of lattice structures in general follows a linear elastic response up to the first point of buckling or failure , followed by a plateau region , followed by final densification .
 concept or principle: mechanical response; engineering feature: lattice structures; machanical property: elastic; machanical property: first point of buckling; concept or principle: failure; manufacturing process: densification
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:
 concept or principle: mechanical response; engineering feature: lattice structures; machanical property: elastic; machanical property: first point of buckling; concept or principle: failure; manufacturing process: densification