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101Lithic reduction — The Levallois technique of flint knapping Lithic reduction involves the use of a hard hammer precursor, such as a hammerstone, a soft hammer fabricator (made of wood, bone or antler), or a wood or antler punch to detach lithic flakes from a lump… …
102DIMM — Two types of DIMMs: a 168 pin SDRAM module (top) and a 184 pin DDR SDRAM module (bottom). Note that the SDRAM module has two notches on the bottom edge, while the DDR1 SDRAM module has only one. Also note that both modules have 8 RAM chips, but… …
103Electrical connector — Back of an audio amplifier features a variety of electrical connectors An electrical connector is an electro mechanical device for joining electrical circuits as an interface using a mechanical assembly. The connection may be temporary, as for… …
104Hydrometer — Not to be confused with Hygrometer. Hydrometer from Practical Physics Schematic drawing of a hydrometer. The lower the densi …
105Warded lock — A warded lock (also called a ward lock) is a type of lock that uses a set of obstructions, or wards , to prevent the lock from opening unless the correct key is inserted. The correct key has notches or slots corresponding to the obstructions in… …
106Disc tumbler lock — The underside of a disc tumbler lock. A disc tumbler lock or Abloy Disklock is a lock composed of slotted rotating detainer discs. A specially cut key rotates these discs like the tumblers of a safe to align the slots, allowing the sidebar to… …
107Dangerously in Love — This article is about the album. For the song with the same name, see Dangerously in Love 2. Dangerously in Love …
108Dugout (boat) — A Slavic dugout boat from the 10th century A dugout or dugout canoe is a boat made from a hollowed tree trunk. Other names for this type of boat are logboat and monoxylon. Monoxylon (μονόξυλον) (pl: monoxyla) is Greek mono (single) + ξύλον xylon… …
109Schuko — (pronEng|ˈʃuːkoː) is the colloquial name for a system of domestic AC power plugs and sockets that is defined as CEE 7/4 or known unofficially as Type F . A Schuko plug features two round pins of 4.8 mm diameter (19 mm long, centers 19 mm apart)… …
110SO-DIMM — A SO DIMM, or small outline dual in line memory module, is a type of computer memory built using integrated circuits.SO DIMMs are a smaller alternative to a DIMM, being roughly half the size of regular DIMMs. SO DIMMS are often used in systems… …
