7938
A size threshold exists below which there appears to be an interaction between specimen dimensions and print layer thickness , and for specimens of dimension below that threshold exhibit a declining strength with size .
 material: be; engineering feature: dimensions; process parameter: print layer; engineering feature: dimension; machanical property: strength
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: be, dimensions, print layer, dimension, strength 
Answer:
 material: be; engineering feature: dimensions; process parameter: print layer; engineering feature: dimension; machanical property: strength