Related Clues:

• Smith's medium
• Welding and soldering et al.
• Tom Walker botched school subject, once
• Walk, Metro out of order. Rails perhaps
• Mark and the rest operate this craft!
• Craft encountered rescue ship carrying bird back
• Objects of gold, iron, copper etc
• Mike and others handle casting perhaps
• Bits of iron, mark, and other things with gold inside
• French fellow and others achieve processing of gold maybe
• Selfish speech involving quarrel over old school subject
• Fed gossip about rejected column — it's possibly forged?
• Mike and others argue about face of kroner that could be forged
• Craft of, say, steel pan player finally accepted