slash-and-burn farming

alumina aerogels apical apospory cartridge VTR claw magnet crossed electric-magnetic fields mass spectrometer fat center hot-pressed bronze compact kennelly-heaviside layer (ionosphere) kepler's integral pealing out pole boat pyrrhobryum spiniforme ryukyuense swing rake wool-washing machine synostosis toga transmission schedule trial on indictment trolley-base Viviers weakly