"Solder#Hard solder" . . "solder glass" . . "solders" . . "soldered" . "Solder" . . "Solder" . "lead solder" . . . . . . "lead-free" . "Solder#Flux" . "solder" . . "soldering" . "solder alloys" . "Solder#Lead-free solder" . "lead-free solder" . "SnPb" . . . "solder formulations" . "RoHS-compliant solder" . "lead-tin alloys" . . . "Solder#Lead-based" . . . "shape of solder" . "tin-lead solder" . "souder" . "lead soldering" . . . "lead-containing solder" . "Solder#Flux-core_solder" . "Lead-free solder" . . . . .