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This is expected to create prosperity and jobs, and build stable and prosperous societies across the globe. [10] The key emphasis is on developing reliable and sustainable infrastructural solutions that support economic development as well as human well-being, while also ensuring financial affordability. [ 11 ]
Abundance [9] [10] (ppm [a]) 21 Sc Scandium: from Latin Scandia (Scandinavia). Light aluminium-scandium alloys for aerospace components, additive in metal-halide lamps and mercury-vapor lamps, [11] radioactive tracing agent in oil refineries 22 39 Y Yttrium: after the village of Ytterby, Sweden, where the first rare-earth ore was discovered.