insulated coating
41Induction coil — An induction coil or spark coil (archaically known as a Ruhmkorff coil) is a type of disruptive discharge coil. It is a type of electrical transformer used to produce high voltage pulses from a low voltage DC supply. To create the flux changes… …
42Shelf life — This pack of diced pork says display until 7 May and use by 8 May …
43Batsuit — Infobox comics elements imagesize = caption = Batman s current costume, as shown in the story arc. Art by Jim Lee. publisher =DC Comics debut = Detective Comics #27 creators = Bob Kane type = Costume supports = Batman subcat=BatmanThe Batsuit… …
44automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… …
45Package testing — Military shipping container being drop tested Testing …
46Apollo 13 — Infobox Space mission mission name = Apollo 13 insignia = Apollo 13 insignia.png stats ref = cite web |url=http://history.nasa.gov/SP 4029/Apollo 00g Table of Contents.htm |title= Apollo by the Numbers: A Statistical Reference (SP 4029)… …
47Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
48Silicone — Not to be confused with the metalloid chemical element Silicon. Silicone caulk can be used as a basic sealant against water and air penetration. Silicones are inert, synthetic compounds with a variety of forms and uses. Typically heat resistant… …
49Daylighting — For the restoration of culverted streams to above ground channels, see Daylighting (streams). For a similar operation with transportation tunnels, see Daylighting (tunnels). A skylight providing internal illumination Daylighting is the practice… …
50Cold cathode — This article is about light sources and indicators. For cold cathode ion sources, see Ion source. CCFL redirects here. For other uses, see CCFL (disambiguation). Cold cathode fluorescent lamp A cold cathode is a cathode used within nixie tubes,… …
