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The sample fabricated under the global optimum condition for sample dimension of 10 mm exhibits pore-less crosB-sections , columnar grains with fine γ′ precipitates and fine substructure , a small amount of grain boundary crack and excellent room temperature tensile properties .
 concept or principle: sample; concept or principle: fabricated; concept or principle: sample; engineering feature: dimension; manufacturing process: mm; concept or principle: crosB-sections; machanical property: columnar grains; material: precipitates; machanical property: grain boundary crack; process parameter: temperature; concept or principle: properties
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: sample; concept or principle: fabricated; concept or principle: sample; engineering feature: dimension; manufacturing process: mm; concept or principle: crosB-sections; machanical property: columnar grains; material: precipitates; machanical property: grain boundary crack; process parameter: temperature; concept or principle: properties