difficult weld
bad adjustment
tack weld which must be continuous weld
big weld job, two welders needed
welder must be left handed
Very big and expensive weld
Bad quality very probable
used in case if it is unknown from which side has to be welded
Used for tack welds, when the connected parts will anyway not fit together
Special weld mark for welding engineers to demonstrate high knowledge of welding technology
cloudy