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A relationship between the processing parameters , the surface tension , the convection flow , the precipitation distribution and the resultant mechanical properties has been well established , demonstrating that the high-performance of SLM-processed Al-Mg-Sc-Zr alloy could be tailored by controlling the distribution of nanoprecipitates .
 concept or principle: parameters; machanical property: surface tension; concept or principle: precipitation; concept or principle: distribution; concept or principle: mechanical properties; material: alloy; material: be; concept or principle: distribution
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: parameters, surface tension, precipitation, distribution, mechanical properties, alloy, be, distribution 
Answer:
 concept or principle: parameters; machanical property: surface tension; concept or principle: precipitation; concept or principle: distribution; concept or principle: mechanical properties; material: alloy; material: be; concept or principle: distribution