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Another feature that is mostly used for metallic parts is lattice structure that could help in designing internal structures used to support the parts but also to minimize weight with respect to given functionalities .
 engineering feature: feature; machine or equipment: metallic parts; engineering feature: lattice structure; machanical property: internal structures; application: support; process parameter: weight
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: feature; machine or equipment: metallic parts; engineering feature: lattice structure; machanical property: internal structures; application: support; process parameter: weight