toorikute paksusest (mitteteadlikult) väiksema läbikeevitusega servavahemikuõmblus (vt puudulik läbikeevitus; vrd osalise läbikeevitusega õmblus)
a groove weld that does not (unintentionally) extend completely through the thickness of components joined (see: incomplete penetration; compare: partial joint penetration weld)
