sulcus promunturii

arc-suppression circuit aulary bearing width cylindrical coordinate robot Dayrah(Dirah) false color photography fission-gas-pressure-relieved (fuel)rod flying boom gear type flexible coupling Kovdozero Ozero Mashava(Mashaba) monophonies prop drawer proton recoil proportional counter radio halo radix ononidis site ranking sursolids volte-face water gall