2007038525Material engineering

서석효

Technology gap Technology gap between between

Korea & ChinaKorea & China

Reasons• Resources• Manpower

940,0002,000,000

Solutions• Recycling techniques 1 L(s) = 168 L(g)

ManganeseNickelCopperCobaltetc.

30%1.5%

1%0.2%

Cell phones, computers, electronic devices

Methane HydrateManganese nodule

• Seabed resources

• Encouraging natural science & engineering

Thank you