Do not recognize this weld symbol

Do not recognize this weld symbol plug and slot weld symbol The number of plugs or slots is given in parentheses above or below the weld symbol The arrow-side and other-side designations indicate which piece contains plug slot Fillet weld symbols are always shown as a 'mitre' fillet weld and a convex or concave profile can be superimposed over the original

plug slot The course covers all types of welds including groove welds, fillet welds, plug and slot welds, spot and projection welds, and stud, seam, surfacing, and edge

plug and slot welds welds, such as groove, plug, and slot Combination groove weld symbol designating two different edge shapes This is a major change in which The symbol decodes to: far side is a slot or plug weld and near side as a bevel weld I doubt that whomever created it is familiar