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With this in mind , the paper describes the design-to-production process for a façade shading system using additive manufacturing and the associated testing campaign to assess the feasibility of the design and durability of materials .
 process, additive manufacturing, testing, feasibility, design, durability, materials
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 process, additive manufacturing, testing, feasibility, design, durability, materials