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The basis for these experimental investigations is a Wire Arc Additive Manufacturing ( WAAM ) process with a high build-up rate ( Cold Metal Transfer - CMT ) to produce a rectangular thin-walled component made of G4Si1 ( 1.5130 ) .
 concept or principle: experimental; manufacturing process: Wire Arc Additive Manufacturing; manufacturing process: WAAM; concept or principle: process; manufacturing process: Cold Metal Transfer; manufacturing process: CMT; application: thin-walled component
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:
 concept or principle: experimental; manufacturing process: Wire Arc Additive Manufacturing; manufacturing process: WAAM; concept or principle: process; manufacturing process: Cold Metal Transfer; manufacturing process: CMT; application: thin-walled component