When the filling operation on the bodies preparatory to the coating is accomplished by the use of a filling solder according to the invention, there is practically no fear that {HEAD ~ the applied solder} locally softens and causes the appearance of {TAIL ~ blow holes} and or irregularities such as traces of trickles on the coated surface 
When the filling operation on the bodies preparatory to the coating is accomplished by the use of a filling solder according to the invention , there is practically no fear that { HEAD ~ the applied solder } locally softens and causes the appearance of { TAIL ~ blow holes } and or irregularities such as traces of trickles on the coated surface
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