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The results show that this steel can be used to generate 3D metal components or structures with high reproducibility , near-net-shaped geometry , absence of cracks , and a deposition rate of up to 3.6 kg/h .
 material: steel; material: be; concept or principle: 3D; machine or equipment: components; concept or principle: reproducibility; concept or principle: geometry; process parameter: deposition rate
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:
 material: steel; material: be; concept or principle: 3D; machine or equipment: components; concept or principle: reproducibility; concept or principle: geometry; process parameter: deposition rate