steel casing
41Mark 83 bomb — Mark 83 General Purpose (GP) Bomb Mark 83 1,000 pound general purpose bombs Type Low Drag General Purpose (LDGP) bomb Place of origin …
42Mark 82 bomb — Mark 82 General Purpose (GP) Bomb Mk 82 bomb as displayed on USAF website. Type Low drag general purpose bomb Place of origin Un …
43Sodium-sulfur battery — A sodium sulfur battery is a type of battery constructed from sodium (Na) and sulfur (S). This type of battery has a high energy density, high efficiency of charge/discharge (89 mdash;92%) and long cycle life, and is fabricated from inexpensive… …
44BLU-109 bomb — The BLU 109/B is a hardened penetration bomb used by United States military aircraft. (BLU is an acronym for Bomb Live Unit.) It is intended to smash through concrete shelters and other hardened structures before exploding. The BLU 109/B has a… …
45Erich Regener — Infobox Scientist box width = name = Erich Regener image size = caption = Erich Regener, May 1929 birth date = 12 November 1881 birth place = Schleusenau, West Prussia death date = 27 February 1955 death place = Stuttgart, Baden Württemberg… …
46Obturating ring — For other uses see Obturator An obturating ring is a ring of relatively soft material designed to obturate under pressure to form a seal. Obturating rings are often found in artillery and other ballistics applications, and similar devices are… …
47Glory hole (petroleum production) — A glory hole in the context of the offshore petroleum industry is an excavation into the sea floor designed to protect the wellhead equipment installed at the surface of a petroleum well from icebergs or pack ice. An economically attractive… …
48Dolfijn class submarine — Dutch submarine HNLMS Dolfijn (1960) Class overview Name: Dolfijn Operators …
49Vita-Mix — is an American based blender business. Their company headquarters is located at 8615 Usher Road, Cleveland, Ohio. They have a wide range of product distribution as they ship to 70 countries. Recently, due to high demands of their blenders, they… …
50Sodium–sulfur battery — Cut away schematic diagram of a sodium–sulfur battery. (image courtesy NASA John Glenn Research Center). A sodium–sulfur battery or liquid metal battery is a type of molten metal battery[1] constructed from sodium (Na) and sulfur ( …
