675
Due to the high evaporation rate at elevated temperatures , few attempts were made to fabricate Mg scaffolds directly using AM .
 process characterization: evaporation rate; process parameter: temperatures; manufacturing process: fabricate; engineering feature: scaffolds; manufacturing process: AM
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:
 process characterization: evaporation rate; process parameter: temperatures; manufacturing process: fabricate; engineering feature: scaffolds; manufacturing process: AM