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What tool is utilized for joining lightweight materials together using a rivet?

  1. Pop rivet gun

  2. Welding torch

  3. Screwdriver

  4. Pneumatic gun

The correct answer is: Pop rivet gun

The pop rivet gun is specifically designed for joining lightweight materials by inserting pop rivets, which are a type of fastener. This tool allows for a quick and efficient fastening process, particularly useful when working with thin sheets of metal or plastics. The way a pop rivet gun operates involves placing a rivet in the gun, inserting it into the materials to be joined, and then pulling the trigger to deform the rivet's mandrel, which secures the materials together. In contrast, a welding torch is used for melting and fusing materials together, which requires a different technique and is generally more suited for heavier or thicker materials. A screwdriver is meant for driving screws, which is not applicable for rivets. On the other hand, a pneumatic gun is typically designed for driving fasteners like nails or staples rather than rivets, making the pop rivet gun the most appropriate tool for this purpose.