3839
A multi-step fabrication procedure alternating FFF and SCBD was developed and optimized allowing the fabrication of conductive 3D oblique paths , bridging vias , and sockets for standard electronic components fitting .
 fabrication, FFF, fabrication, 3D, bridging, standard, components
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:
 fabrication, FFF, fabrication, 3D, bridging, standard, components