spring-loaded core
41Mechanical pencil — A mechanical pencil (U.S. English) or a propelling pencil (UK English)[1][2][3] is a pencil with a replaceable and mechanically extendable solid pigment core called a lead (  / …
42Airazor — is the name of three fictional characters in the various Transformers universes. Beast WarsTransformers character name = Airazor caption = The Maximal Airazor japanname = affiliation = Maximal subgroup = Basic Beasts Female Maximals Deluxe… …
43List of Dune terminology — This is a list of terminology used in the fictional Dune universe created by Frank Herbert, the primary source being Terminology of the Imperium, the glossary contained in the novel Dune (1965). Dune word construction could be classified into… …
44Oil pump (internal combustion engine) — This article is about a part in an internal combustion engine. For other uses, see Oil pump. Oil circulation system …
452009–2011 Toyota vehicle recalls — Two of the vehicles under recall: the Toyota Camry (top) and the Toyota Corolla Three separate but related recalls of automobiles by Toy …
46Test probe — Typical passive oscilloscope probe being used for testing an integrated circuit. A test probe (test lead, test prod, or scope probe) is a physical device used to connect electronic test equipment to the device under test (DUT). They range from… …
47Magnetic lock — A magnetic lock is a simple locking device that consists of an electromagnet and armature plate. By attaching the electromagnet to the door frame and the armature plate to the door, a current passing through the electromagnet attracts the… …
48Electromagnetic lock — For a lock utilizing magnetism and a key, see magnetic keyed lock. An electromagnetic lock, magnetic lock, or maglock is a locking device that consists of an electromagnet and an armature plate. By attaching the electromagnet to the door frame… …
49Catwoman — For other uses, see Catwoman (disambiguation). Catwoman Cover to Catwoman: Nine Lives of a Feline Fatale (June 2004), depicting various Catwoman costumes from the character s history. Art by Brian Bolland …
50International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
