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The variation of the wire feed speed and the welding speed enables the production of weld beads of width up to 9.4 mm .
 concept or principle: variation; process parameter: feed; manufacturing process: welding; manufacturing process: production; concept or principle: weld beads; manufacturing process: mm
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: variation; process parameter: feed; manufacturing process: welding; manufacturing process: production; concept or principle: weld beads; manufacturing process: mm