air gap

automatic recording thermobalance chaetoceros borealis ferromagnetic oxide parts fluxplate fuel pool filter-demineralizer high definition pick-up hydraulic trawl winch hypertext tranafer protocol impervious material jack it life-jacket miliolid ordinal variables osmium (os) reflexive verb semivolcanic Silfbronze statement on auditing procedure steady drift angle translation line move sprinkling machine