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An innovative and low cost additive layer manufacturing ( ALM ) process is used to produce γ-TiAl based alloy wall components .
 manufacturing process: additive layer manufacturing; manufacturing process: ALM; concept or principle: process; material: alloy; machine or equipment: components
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:
 manufacturing process: additive layer manufacturing; manufacturing process: ALM; concept or principle: process; material: alloy; machine or equipment: components