filler metal
preferred label: مواد پرکننده @fa
type: Concept
related: solder

joining materials
preferred label: مواد اتصال @fa
type: Concept
narrower: solder

solder
related: filler metal
related: soldering
broader: joining materials
preferred label: لحیم @fa
type: Concept

soldering
preferred label: لحیم‌کاری @fa
type: Concept
related: solder