Crab Nebula(M1)

dtmf (dual -tone multi-frequency) fight a fire metagaster momentary interruption mononuclear coordination compound pinnatifid post-ignition prednisolone valerate rosellinias seco silicon lead casting brass single finger dectylography single-beam electric crane superplants theat transit time spread turning hydrogenerator set for alignment wagatsuma warm vortex Yli-Kitka