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The scaffolds were loaded in compression in the build direction to determine the relative modulus of elasticity and ultimate compressive load .
 engineering feature: scaffolds; machanical property: compression; process parameter: build direction; machanical property: modulus of elasticity
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: scaffolds, compression, build direction, modulus of elasticity 
Answer:
 engineering feature: scaffolds; machanical property: compression; process parameter: build direction; machanical property: modulus of elasticity