Linked from
The 22 pages that link to Welding, each with the reason it gives.
AdhesiveCompared with: Welding can create a direct material joint without a separate adhesive layer.
BrazingCompared with: Unlike brazing, fusion welding melts at least part of the base metal.
SolderCompared with: Unlike soldering, welding commonly melts the parts being joined.
FastenerCompared with: Welding can create a permanent joint without separate fasteners.