crutch hole

acid rains Algemesi Cambridge plate chemotrophic bacteria downtake superheater Eisenenstatit highest numbered variable hydrokinase machine down-time millon('s) reagent Namurian Age oak-apple parting sand phosphorus pentasulphide plumped up Sarafian saturable core magnetometer SRAM (static random-access memory) the swinging ring tracking and data-relay satellite system (tdrss)