The Tubes

collection tubes expire because over time the vacuum is lost and blood will not be drawn into the tube when the needle punctures the cap. Vacutainer tubes may

The Fleet Type Submarine Online 21-Inch Submerged Torpedo Tubes United States Navy Restricted Ordnance Pamphlet 1085, June 1944 Torpedo tubes of German

Nomenclature. [2013-03-12]. （原始内容存档于2021-08-16）.  Letzter, Rafi. These lava tubes could be the safest place for explorers to live on Mars. livescience.com. 2020-05-11

former assistant director of the General Electric Research Laboratory and a pioneer in the development of vacuum tubes died at Ellis Hospital today.

lava tubes on the Moon: Possible lunar base habitats, In NASA. Johnson Space Center, The Second Conference on Lunar Bases and Space Activities of the 21st