2921
Four-point bending and wear resistance tests were used to compare the mechanical properties of the printed alloy with laboratory grade cast parts .
 manufacturing process: bending; machanical property: wear resistance; concept or principle: mechanical properties; material: alloy; concept or principle: laboratory; manufacturing process: cast
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: bending, wear resistance, mechanical properties, alloy, laboratory, cast 
Answer:
 manufacturing process: bending; machanical property: wear resistance; concept or principle: mechanical properties; material: alloy; concept or principle: laboratory; manufacturing process: cast