wiring channel
41Freight train — or goods train is a series of freight cars hauled by a locomotive on a railway, ultimately transporting cargo between two points as part of the logistics chain. Trains may haul bulk, containers or specialized cars. Under the right circumstances,… …
42Wireless intercom — A wireless intercom is an electronic device that enables voice communication without the need to run wires between intercom stations. A wired intercom system may incorporate wireless elements.There are many types of wireless intercom systems on… …
43Asymmetric Digital Subscriber Line — (ADSL) is a form of DSL, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. It does this by utilizing frequencies that are not used by a voice… …
44building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
45ClearCurve — is Corning s brand name for a new optical fiber that can be bent around short radius curves without losing its signal. It is constructed with a conventional fiber on the inside, surrounded by a cladding containing a new nanostructured reflector.… …
46Freight rail transport — For the children s book by Donald Crews, see Freight Train (book); for the song by Elizabeth Cotten, see Freight Train (song); for the album by Alan Jackson, see Freight Train (album). American freight service …
47USB — This article is about the computer bus to connect peripherals. For other uses of USB, see USB (disambiguation). Universal Serial Bus Original logo Type Computer Hardware Bus …
48MOSFET — Two power MOSFETs in the surface mount package D2PAK. Operating as switches, each of these components can sustain a blocking voltage of 120 volts in the OFF state, and can conduct a continuous current of 30 amperes in the ON state, dissipating up …
49Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is …
50Mains electricity by country — This article includes a list of countries and territories, with the plugs, voltages and frequencies they use for providing electrical power to small appliances and some major appliances. For definitions of terms and further information on each… …
