Please answer the permanency of the joining mechanisms below. Please take note of the specifics of the joining mechanisms and part materials listed. Points will only be awarded to correct explanation of "why' a joining mechanism is permanent or non-permanent. [4 points] Joining Mechanism Mechanical fastening by (only) rivets of any material parts Adhesive bonding of plastic parts (Laser) Welding of metal parts Brazing of ceramic parts Permanent (P) or Non-permanent (NP)? Please circle your answer: P or NP Please circle your answer: P or NP Please circle your answer: P NP or NP Please circle your answer P or Why (P) or (NP)? (Must fit into space allocated below).