Weld bead joining two surfaces at right angles. The description explicitly states the leg length (size of the triangle's sides) and the throat thickness (the deepest point of penetration).Groove Weld Description: Details a weld placed into a channel or groove between two components. It describes the root opening (the gap width between pieces), the bevel angle (the angle of the cut edge), and whether it requires a complete joint penetration (CJP) or partial joint penetration (PJP).Plug / Slot Weld Description: Describes filling a circular hole or elongated slot drilled into one overlapping plate to fuse it to the plate underneath.