current operation symbol

Cheshskaya Guba contractual management responsibility system diddy-bop effective sound velocity haxoring HBCOT ice plant igrf (international geomagnetic reference field) maiz mycotic granuloma oto-camera piping hot soup Platanthera clavigera post-Keynesian mainstream economics residual impurity sample purity side-running trolley unbonairty variable binary scaler wurtzite BN