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A Foundry Prepares to Plunge Into the Abyss

In a statement, Tevo Lokomo Ltd. said castings for the submersible will be made at its foundry in Tampere, Finland.  

The foundry is working in conjunction with Rainbowfish Deepsea Equipment & Technology Co. Ltd. to build the manned submersible, which, in 2020, will carry researchers down nearly 7 miles into the Marianas Trench in the Pacific Ocean. 
 
The submersible, which is being made from the foundry's Vaculok maraging steel, will have to withstand pressures a thousand times greater than those at sea level.