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 the applied solder locally softens and causes the appearance of blow holes and or irregularities such as traces of {HEAD ~ trickles} on {TAIL ~ 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 the applied solder locally softens and causes the appearance of blow holes and or irregularities such as traces of { HEAD ~ trickles } on { TAIL ~ the coated surface }
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