HVAC Tool Challenge: Think you know HVAC tools?Sometimes metal has to be joined. You do it with this. What is it?13%Next Correct Incorrect With a welding torch, pieces of metal can be fused together. Not a necessary tool but a great one to have. Sometimes metal has to be joined. You do it with this. What is it? Heavy duty sprayer Welding torch Glue gun Manifold gauge 13%
