1027
2 Structural optimisation with isotropic material in AM The role of structural optimisation in AM is increasing across industries with lightweighting strategies that can broadly be differentiated into mathematically-driven and expertise-driven , with recent studies seeing increased utilization of both .
 concept or principle: Structural optimisation; material: isotropic material; manufacturing process: AM; concept or principle: structural optimisation; manufacturing process: AM; application: industries; machanical property: lightweighting; material: be
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: Structural optimisation; material: isotropic material; manufacturing process: AM; concept or principle: structural optimisation; manufacturing process: AM; application: industries; machanical property: lightweighting; material: be