543
With an increase in the loss rate of elemental Mg , the tensile strength and average hardness of the WAAM component decreased , whereas the elongation increased .
 material: Mg; machanical property: tensile strength; concept or principle: average; manufacturing process: WAAM; machine or equipment: component; machanical property: elongation
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:
 material: Mg; machanical property: tensile strength; concept or principle: average; manufacturing process: WAAM; machine or equipment: component; machanical property: elongation