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In this paper we explore several important aspects of lattice design and production by metal additive manufacturing , including the choice of cell size and the application of a post-manufacture heat treatment .
 engineering feature: lattice design; manufacturing process: production; manufacturing process: metal additive manufacturing; machanical property: cell size; manufacturing process: heat treatment
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: lattice design, production, metal additive manufacturing, cell size, heat treatment 
Answer:
 engineering feature: lattice design; manufacturing process: production; manufacturing process: metal additive manufacturing; machanical property: cell size; manufacturing process: heat treatment