1041
130 mm thick welds were manufactured in a nuclear steel using gaB-tungsten arc , submerged-arc and electron beam welding .
 manufacturing process: mm; engineering feature: welds; concept or principle: manufactured; material: steel; concept or principle: arc; manufacturing process: electron beam welding
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: mm; engineering feature: welds; concept or principle: manufactured; material: steel; concept or principle: arc; manufacturing process: electron beam welding