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  2. Electric fence - Wikipedia

    en.wikipedia.org/wiki/Electric_fence

    In 1962, another New Zealand inventor, Doug Phillips, invented the non-shortable electric fence based on capacitor discharge. [16] [17] This significantly increased the range an electric fence could be used from a few hundred metres to 35 km (~20 miles), and reduced the cost of fencing by more than 80%. [18]

  3. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.

  4. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.

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  6. Block diagram - Wikipedia

    en.wikipedia.org/wiki/Block_diagram

    As it is there is use made in systems biology of the block diagram technique harnessed by control engineering [7] where the latter is itself an application of control theory. An example of this is the function block diagram , one of five programming languages defined in part 3 of the IEC 61131 (see IEC 61131-3 ) standard that is highly ...

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    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  8. Agricultural fencing - Wikipedia

    en.wikipedia.org/wiki/Agricultural_fencing

    Deer and many goats can easily jump an ordinary agricultural fence, and so special fencing is needed for farming goats or deer, or to keep wild deer out of farmland and gardens. Deer fence is often made of lightweight woven wire netting nearly 2 metres (6 feet 7 inches) high on lightweight posts, otherwise made like an ordinary woven wire fence.

  9. Are the Chiefs the NFL's worst-ever 9-0 team? - AOL

    www.aol.com/sports/chiefs-nfls-worst-ever-9...

    “The thing that has impressed me with this team is that they don’t get down,” Chiefs head coach Andy Reid said Monday. “That’s not what they are.