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  2. D. R. Horton - Wikipedia

    en.wikipedia.org/wiki/D._R._Horton

    D.R. Horton, Inc. is an American home construction company based in Arlington, Texas. Since 2002, the company has been the largest homebuilder by volume in the United States. [2] [3] [4] The company ranked number 194 on the 2019 Fortune 500 list of the largest United States corporations by revenue. [5] The company operates in 113 markets in 33 ...

  3. D.R. Horton, Inc. - Wikipedia

    en.wikipedia.org/?title=D.R._Horton,_Inc...

    This page was last edited on 9 December 2009, at 03:10 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. Automatic door - Wikipedia

    en.wikipedia.org/wiki/Automatic_door

    In 1954, Dee Horton and Lew Hewitt invented the first sliding automatic door. The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s.

  5. Why D.R. Horton Is Down in the Dumps - AOL

    www.aol.com/2013/07/25/why-dr-horton-is-down-in...

    The housing recovery may well be under way, but nobody said it'd be smooth sailing. If there was any doubt about that, then the performance of D.R. Horton's shares today should clear things up ...

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Downdetector - Wikipedia

    en.wikipedia.org/wiki/Downdetector

    Downdetector is an online platform that provides users with real-time information about the status of various websites and services.. The information that is provided by the site is based upon user outage reports, which are collected from various sources, including the page for each website on Downdetector itself and Twitter.

  8. Manual fire alarm activation - Wikipedia

    en.wikipedia.org/wiki/Manual_fire_alarm_activation

    Manual fire alarm activation is the process of triggering a fire alarm through a call point, pull station, or other device. This usually causes the alarm to sound the evacuation signal for the relevant building or zone.

  9. Defect detector - Wikipedia

    en.wikipedia.org/wiki/Defect_detector

    Standard North American installation of a combination hot box / dragging equipment detector. A defect detector is a device used on railroads to detect axle and signal problems in passing trains. The detectors are normally integrated into the tracks and often include sensors to detect several different kinds of problems that could occur.