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A new wire feed metal additive manufacturing process called Metal Big Area Additive Manufacturing ( mBAAM ) uses a Gas Metal Arc Weld system on an articulated robot arm to increase build volume and deposition rate in comparison to powder bed techniques .
 process parameter: feed; manufacturing process: additive manufacturing process; manufacturing process: Metal Big Area Additive Manufacturing; manufacturing process: mBAAM; manufacturing process: Gas Metal Arc Weld; machine or equipment: robot arm; process parameter: build volume; process parameter: deposition rate; manufacturing process: powder bed techniques
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: feed, additive manufacturing process, Metal Big Area Additive Manufacturing, mBAAM, Gas Metal Arc Weld, robot arm, build volume, deposition rate, powder bed techniques 
Answer:
 process parameter: feed; manufacturing process: additive manufacturing process; manufacturing process: Metal Big Area Additive Manufacturing; manufacturing process: mBAAM; manufacturing process: Gas Metal Arc Weld; machine or equipment: robot arm; process parameter: build volume; process parameter: deposition rate; manufacturing process: powder bed techniques