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A circle crossed by a bar.
The welding symbol for a seam weld, a continuous fused line between overlapping sheets.
Specifies a seam weld, a continuous fused line between overlapping sheets.
Contexts: Technical drawing
Built from the spot symbol with a bar added, so the notation expresses 'a spot drawn out into a line' by composing two elements rather than inventing a third glyph.
Contexts: Technical drawing
A circle centred on the reference line with two horizontal lines drawn through it.
A fuller structured visual breakdown is not yet documented for this symbol.