GROUP 7
VANADION.....NIOBION.......PRASEON......TANTALON
VANADIUM......NIOBIUM....PRASEODYMIUM....TANTALUM
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THE CORROSION & SHOCK RESISTANT
STEEL PLATING & ALLOY METALS
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THESE METALS ARE USED TO MAKE,
RAILROAD RAILS
GANTRY CRANES
ELECTRO-PLATED TOOLS
ELECTRICAL POWER RECTIFIERS
THEIR CLORIDES & OCSIDES ARE USED AS
COLORANTS IN PRINTERS INKS & WOOD STAINS
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