What does Nailer do and what is the work like?

Nailer works on light crew in the futuristic world where everything from oil to metal is precious. Teams, known as crew, work to scavenge whatever metals they can find from ancient tankers. They sell those materials to the highest bidder. The world is dangerous, and only the smallest of children can fit in to the tiny tunnels and crevices to strip the metal cables and wires.