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However , additive manufacturing technologies can fabricate porous metals with predefined external shape and internal architecture .
 manufacturing process: additive manufacturing; manufacturing process: fabricate; material: metals; machanical property: internal architecture
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:
 manufacturing process: additive manufacturing; manufacturing process: fabricate; material: metals; machanical property: internal architecture