One sterling idea was to buy silver riyal coins and melt them down into ingots.
For traditionally solar cells have been made out of the ingots rejected by the computer industry.
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"I first found a small axe head, and, after some more investigation, founds ingots, pieces of swords and chisels, " he said.
Last autumn, the Japanese-owned Tenyu sailed out of the Malacca Strait bound for South Korea with 1, 500 tonnes of aluminium ingots.
Bosch said it would unwind the solar power venture and shut down manufacturing ingots, wafers, cells and modules in early 2014.
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Instead of the computer industry melting them down and making them again they sold off these flawed ingots to the solar cell manufacturers.
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Namdeb said it came across the wreck on April 1 during operations in the Atlantic after finding some copper ingots and the cannons.
Pieces - including axe-heads, daggers, ingots and a complete metal clasp - have been verified by the British Museum as being about 3, 000 years old.
In addition to Asian competitors, Italian goldsmiths face a threat from pending regulations, demanded by the European Union, which will finally allow Italians to own gold ingots.
It also includes 10 complete arm rings, two finger rings, six brooch fragments, a fine wire braid and 141 fragments of chopped-up arm rings and ingots, known as hacksilver.
If they have gained mass it could be because the platinum based ingots have absorbed mercury from the atmosphere or hydrogen from the solvents used to clean the ingots.
It also includes 10 complete arm rings, two finger rings, six bossed brooch fragments, a fine wire braid and 141 fragments of chopped-up arm rings and ingots, known as hacksilver.
The jewellers want the government to slap a 20% value-added tax on the ingots, lest Italians discover that they can hedge their fears of inflation more cheaply with plain gold bars than with baubles and bangles.
To help cope with collapsing currencies and crumbling stockmarkets, patriotic Thais and South Koreans have been handing in their gold bracelets, brooches and necklaces to be melted into ingots that can be used to repay foreign creditors.
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