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Using selective laser sintering with polyamide , the designs were tested in flexure and the results clearly highlight the potential of using TO lattices in terms of weight-reduction , robustness and stiffness as well as its superiority over uniform lattices .
 manufacturing process: selective laser sintering; material: polyamide; engineering feature: designs; machine or equipment: flexure; concept or principle: lattices; machanical property: robustness; machanical property: stiffness; material: as; material: as; concept or principle: lattices
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: selective laser sintering; material: polyamide; engineering feature: designs; machine or equipment: flexure; concept or principle: lattices; machanical property: robustness; machanical property: stiffness; material: as; material: as; concept or principle: lattices