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Because deformation occurs at high temperatures , the forces involved are small , and the WAAM equipment does not have specific requirements with respect to stiffness , thereby allowing the incorporation of this new variant into conventional moving equipment such as multi-axis robots or 3-axis table used in WAAM .
 concept or principle: deformation; process parameter: temperatures; concept or principle: forces; manufacturing process: WAAM; machine or equipment: equipment; machanical property: stiffness; machine or equipment: equipment; material: as; machine or equipment: robots; manufacturing process: WAAM
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: deformation, temperatures, forces, WAAM, equipment, stiffness, equipment, as, robots, WAAM 
Answer:
 concept or principle: deformation; process parameter: temperatures; concept or principle: forces; manufacturing process: WAAM; machine or equipment: equipment; machanical property: stiffness; machine or equipment: equipment; material: as; machine or equipment: robots; manufacturing process: WAAM