countercurrent circulation

a hair's breadth Algerian-Tyrrhenian Trench Ashford Bunnahabhain clean wheel computerized tv emission spectrometer double end grinder double-focusing mass spectrometer flow of income Lewis John more-frequent Pewāgaon piezoresistive effects pile factor sapphire whisker series-feed oscillator teletypewriter signal vitreous capsule wage war against/on/upon/with zinc yellow primer