12395089 - Photovoltaic power plant - inverters12395094 - Photovoltaic power plant - inverters11722233 - Perpetual motion machine11712029 - Multipurpose meter shunts11717198 - Pyrite dodecahedrons II13311552 - Blue ball in middle of three red cups11717234 - Pyrite dodecahedrons I11712030 - Multipurpose meter shunts11892456 - Electrical plugs11878608 - Children playing11737054 - Large hailstone