231:
503:
56:
610:
1855:
668:
will typically have a key-operated control that will turn the escalator off, or change its direction to up or down. Next to the key switch will be a red "Emergency Stop" button, which is used in the event of equipment failure, or where there is a potential for injury, such as when someone's shoe gets
514:
On large industrial machines, an emergency stop button is typically located on the panel, and possibly in several other areas of the machine. Often, an emergency stop is made wireless using a remote control. This provides a rapid means to disconnect the energy source of the device to protect workers.
693:
is similar to that on industrial equipment. Typically brakes on a ride are designed to be disengaged when power is applied; disconnecting power will cause all brakes to engage. Most amusement rides have a computer that can, similar to the rail example provided above, engage the emergency stop when
663:
often have a red two-way button on the control panel which is either marked "Emergency Stop" or "Run/Stop". Normally, the button is in the "up" or unpushed position, allowing the elevator to "run" in normal service. When the button is pushed, the elevator comes to an immediate stop. When the button
680:
often use a safety key with one end magnetically attached to the machine and the other end clipped to the user's waist. If the safety key is pulled out, such as in the event of a fall, the treadmill stops immediately. In other cases, some other treadmills have a more traditional kill switch, often
624:
By contrast, emergency stop requires a deliberate action on the part of a person who must first recognize that some hazardous condition is about to arise or is arising, and who then must activate the emergency stop function by pressing the emergency stop button or activating another emergency stop
369:
to operate the ignition with normal engine operation in flight—pressing the "blip switch" cut the flow of high voltage from the magnetos, stopping the combustion process in the cylinders. When such a "blip switch" was intermittently used on landing approach, this allowed a limited degree of engine
315:
or clothing), and if the operator is thrown overboard in an accident, the cord will pull the switch and immediately shut down the vessel's engine. This prevents it from becoming a runaway vessel that could impose a danger to other vessels or swimmers at sea, and allows the operator to swim back to
453:
By analogy to physical kill switches, "kill switch" can be used to refer to a mechanism incorporated in software that can be activated by its manufacturer or licensor, for example if the product is withdrawn, or a maintenance fee has not been paid, or a device has been lost or stolen. It can also
712:
tractors have been criticised for it being impossible for owners to service or repair them; only John Deere has access to computer code required for this and to accept non–John Deere replacement parts. Vital equipment from other manufacturers such as critical medical equipment has similar
139:
or shut-down procedure, which shuts down all systems in order and turns off the machine without damage, a kill switch is designed and configured to abort the operation as quickly as possible (even if it damages the equipment) and to be operated simply and quickly (so that even a
592:
should be used to determine whether or not an emergency stop function would be useful in avoiding or limiting harm. The ISO machinery safety standard types are defined in ISO 12100, and this nomenclature is used by other standards development organizations, like
588:, and general requirements for emergency stop devices are set out in ISO 13850. Machine specific (type-C) standards often include specific requirements for the emergency stop functions, but in the absence of a relevant type-C standard, the
621:. The primary safeguarding measures prevent injury automatically, either by enforcing distance between a hazard and a person, or by eliminating the hazard by stopping hazardous motion or switching off a source of hazardous energy.
222:). The switch in these cases is held by the user, and turns off the machine if they let go. Some riding lawnmowers have a kill switch in the seat which stops the engine and blade if the operator's weight is no longer on the seat.
316:
the vessel and re-board it without the risk of being injured by the boat's propeller. A similar device is featured on most lawnmowers: a lever on the handle either disables the ignition system and applies a brake to the
250:
to a stop as quickly as possible. This occurs either by a manual emergency stop activation, such as a button being pushed on the train to start the emergency stop, or on some trains automatically, when the train has
327:
to be equipped with kill switches (either remote or in cab), in case the monster truck loses control and the driver needs to shut off the engine. Monster trucks' kill switches are tested before races.
519:
operation, the emergency stop button is a normally closed switch, which ensures that a broken wire will not prevent it from being activated, but may accidentally activate the emergency stop.
702:
It is thought that some electronic chips used in equipment, particularly military, have a secret "kill" function that disables the equipment. It has been reported that French and
Israeli
416:, a kill switch is a security feature that allows the phone's owner to remotely render the smartphone inoperable if it is lost or stolen. From 2015 this feature is legally required in
669:
stuck in the "comb" at the top or bottom of the escalator and there is a risk of serious injury. The key switch is used to return the escalator to service after it has been stopped.
1475:
171:; industrial designers include kill switches because damage to or the destruction of the machinery is less important than preventing workplace injuries and deaths.
617:
A machinery's emergency stop control is considered a complementary protective measure because it is intended to complement the primary safeguarding measures like
728:
systems can automatically destroy errant vehicles in-flight. Range-safety officers may also manually destroy vehicles; this method was used to destruct errant
178:, is a device intended to stop a machine (or activate one) if the human operator becomes incapacitated or leaves the machine unattended, and is a form of
848:
828:
706:
units have used kill switches to disable opponents' military systems. And systems have been infected with malware specifically designed to damage them.
1391:
1080:
985:
303:, where the operator must be holding a button or lever any time the vehicle is operating. A common example of this is the kill switches used by
1704:
530:. Exceptions apply for machinery in which an emergency stop would not lessen the risk as well as for portable hand-held/hand-guided machinery.
1238:
594:
1496:
787:
355:
voltage to the spark plugs on such a power-plant, to give a degree of in-flight speed control for a rotary engine. This was often called
760: – Emergency override of safety features to complete a mission, even if damage or injury will occur; the opposite of a kill switch
1533:
1297:
1210:
868:
733:
694:
such a ride is determined to be out of operating specification, or an accident involving a passenger or ride employee has happened.
148:
or a bystander can activate it). Kill switches are usually designed to be noticeable, even to an untrained operator or a bystander.
1266:
934:
714:
428:, where the user can, by moving a hardware switch inside the phone, disable hardware like the camera, microphone, Wi-Fi or LTE.
394:
and configured so that observing police can trigger the switch remotely. This same idea can make the stolen object, such as a
1356:
960:
889:
1699:
279:
33:
341:
320:(on a gasoline lawnmower), or cuts the power to the motor (on an electric lawnmower), as long as it is not held down.
908:
808:
398:, useless to both the thief and whoever buys it, yet allow the true owner to reactivate it when/if it is recovered.
459:
312:
717:
Russian troops stole
Ukrainian farm equipment, but that the dealers who owned the equipment locked it remotely.
1874:
613:
An emergency stop button with a custom-made plastic molly guard to prevent it from being pressed accidentally
351:
in 1918 had what could be called a reversed functionality version of the "dead man's switch" for cutting the
1834:
1679:
1008:
763:
470:
348:
252:
243:
40:
378:
to regulate engine speed, but only for governing the fuel-air ratio for start-up and full-speed operation.
1779:
1526:
407:
1132:"ISO 12100:2010 Safety of machinery — General principles for design — Risk assessment and risk reduction"
1839:
813:
729:
548:. It is usually characterized as an acronym for "safety control rod axe man", though this is probably a
482:
255:
or the driver has failed to respond to warnings to check that they are still alert, which is known as a
1088:
713:
restrictions. Remote locking by the manufacturer may also be possible. It was reported that during the
1614:
745:
664:
is pulled back out, it resumes normal service, thus the reason for the use of the phrase "Run/Stop".
300:
256:
175:
1328:
1031:
163:. Kill switches are features of mechanisms whose normal operation or foreseeable misuse might cause
873:
577:
527:
445:
203:
145:
1584:
1574:
1444:
1333:
1302:
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1215:
853:
833:
751:
703:
645:
638:
151:
Some kill switches feature a removable, protective barrier against accidental activation (e.g. a
1379:
The emergency stop switch is a safety device used in emergency situations to stop the treadmill
1844:
1519:
1449:
1392:"Viral video of malfunctioning amusement park ride prompts question: How sare are rides in NC"
585:
526:, most types of machinery are required to be equipped with an emergency stop according to the
387:
293:
230:
1439:
1370:
1684:
1674:
1624:
1594:
1564:
1497:"Russians plunder $ 5M farm vehicles from Ukraine -- to find they've been remotely disabled"
618:
569:
366:
191:
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1639:
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649:
589:
1854:
1419:
788:"Law Requires Life-Saving Braking Device: Most Trains Still Lack Crucial Braking System"
160:
1729:
1714:
1694:
1579:
690:
634:
523:
352:
324:
289:
260:
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207:
55:
1157:
1103:"ISO 13850:2015 Safety of machinery — Emergency stop function — Principles for design"
502:
1868:
1829:
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1559:
356:
337:
1819:
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1724:
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1619:
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725:
642:
609:
561:
507:
365:, or "cut") and when not being pressed, allowed the high voltage from the engine's
311:
wherein a cord connects the kill switch to the operator (usually by the operator's
278:
to the stop position, cutting off the fuel supply and stopping the engines. With a
271:
187:
1183:
1814:
1764:
1754:
1744:
1739:
1734:
1719:
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792:
757:
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211:
1476:"Why your ability to repair a tractor could also be a matter of life and death"
1053:
1809:
1784:
1769:
1649:
1629:
1604:
1569:
709:
448:– an electronic device that can no longer function due to software malfunction
417:
395:
375:
219:
215:
195:
183:
135:, when it cannot be shut down in the usual manner. Unlike a normal shut-down
1453:
39:"Emergency stop" redirects here. For when trains make an emergency stop, see
1789:
677:
665:
598:
549:
516:
432:
425:
275:
179:
132:
1032:"Killing the immortal: Why scientists are debating the life span of robots"
17:
1131:
1102:
1599:
660:
391:
371:
317:
1395:
986:"Warning: Blockbuster 'WannaCry' malware could just be getting started"
455:
370:
speed control, as rotary engines generally did not have a conventional
199:
152:
128:
1542:
1346:("the cord yanks the key out of the console and the treadmill stops")
487:
308:
285:
164:
136:
124:
961:"Cyberattack's Impact Could Worsen in 'Second Wave' of Ransomware"
608:
581:
573:
545:
539:
501:
466:
247:
229:
168:
156:
141:
619:
fixed guards, movable interlocked guards or safeguarding devices
390:
and as an emergency power off. Such devices are often placed in
304:
267:
32:
This article is about the safety mechanism. For other uses, see
1515:
1511:
1501:
565:
282:, the stop button may declutch the engine from the propeller.
890:"Librem 5 vs. PinePhone: comparison of two Linux smartphones"
648:. There is commonly a single kill switch for all pumps at a
1239:"Elevator Cable Failed at Empire State Building, City Finds"
483:
AI capability control § Interruptibility and off-switch
1284:
intercom .. emergency alarm button .. emergency stop switch
506:
The arrows indicate that the stop button must be turned to
491:
182:. They are commonly used in industrial applications (e.g.,
748: – Single shut off mechanism for all Internet traffic
1425:
IEEE Spectrum: Technology, Engineering, and
Science News
849:"Smartphones Embracing 'Kill Switches' as Theft Defense"
809:"Train engineer pulled emergency brake when he saw SUV"
323:
77:
Automotive, boating, energy, engineering, entertainment
1009:"Europe calls for mandatory 'kill switches' on robots"
681:
mounted towards the rear of one of the hand railings.
465:
There is a debate about implementing kill switches in
1440:"Stuxnet Worm Is Remarkable for Its Lack of Subtlety"
829:"A Kill Switch Can Steal a Car Thief's Previous Time"
766: – device to stop a train as quickly as possible
296:
sticks and the driver needs to shut down the engine.
1371:"Emergency Stop Switch Treadmill T2100 with Bracket"
1211:"Deadly Elevator Fall Spurs Look at Brakes and Load"
935:"10 things to know about the smartphone kill switch"
768:
Pages displaying wikidata descriptions as a fallback
288:
requires all their stock cars to be equipped with a
909:"Microsoft remote software "kill switch" confirmed"
544:A kill switch in a nuclear reactor plant is called
386:Kill switches are also used on land vehicles as an
81:
73:
65:
48:
1418:
1357:""treadmill" ((emergency stop) OR (kill switch))"
1267:"3 Hungry Days for Deliveryman Stuck in Elevator"
510:the switch before the equipment can be restarted.
242:, an emergency stop is a full application of the
1495:Fylyppov, Olexsandr; Lister, Tim (May 2, 2022).
1138:. International Organization for Standardization
1109:. International Organization for Standardization
637:or any other device that pumps large amounts of
560:Emergency stop functions are frequently used on
754: – Emergency telephone and shut-off switch
490:started to work on a hardware kill switch for
27:Safety mechanism to quickly shut down a system
1527:
8:
1126:
1124:
360:
1184:"Z432-16 (R2021) Safeguarding of machinery"
454:refer to kill switches for the stopping of
332:Pioneer-era planes and World War I aircraft
1534:
1520:
1512:
1315:emergency shut-off switches on escalators.
959:Chan, Sewell; Scott, Mark (May 14, 2017).
564:, including equipment like wood and metal
54:
1296:Michael Decourcy Hinds (April 29, 1989).
1164:. American National Standards Institute
778:
1705:Motion-triggered contact insufficiency
1298:"Escalator Dangers Called Preventable"
1054:"Google developing kill switch for AI"
869:"The Smartphone Kill Switch Explained"
786:Patrick McGeehan (December 20, 2017).
578:milling machines and machining centres
45:
1158:"ANSI B11.0-2020 Safety Of Machinery"
1007:Kottasova, Ivana (January 12, 2017).
270:, an emergency stop button pulls the
7:
1438:Markoff, John (September 26, 2010).
1209:Benjamin Mueller (October 3, 2015).
907:Davies, Chris (September 19, 2009).
1030:Larson, Selena (January 26, 2017).
625:device such as a pull-cord switch.
194:) and consumer applications (e.g.,
174:A similar system, usually called a
1327:Parker-Pope, Tara (May 27, 2009).
1237:C. J. Chivers (January 26, 2000).
933:Williams, Martyn (June 24, 2014).
888:T., Raffaele (September 2, 2019).
292:–mounted kill switch, in case the
25:
1190:. Canadian Standards Organization
734:Space Shuttle Challenger disaster
357:a "blip switch" or "coupe switch"
95:, also known more formally as an
1853:
1265:Michael Wilson (April 6, 2005).
1081:"Designing with E-stop Switches"
715:2022 Russian invasion of Ukraine
605:Complementary protective measure
420:for smartphones. There are also
159:that must be broken), known as a
1474:Naughton, John (June 4, 2022).
1079:Repas, Robert (June 22, 2010).
633:A kill switch is also used for
629:Fuel stations and road vehicles
1420:"The Hunt for the Kill Switch"
1:
259:. A similar mechanism is the
155:cover that must be lifted or
60:A kill switch without a cover
1700:Miniature snap-action switch
698:Military and other equipment
280:controllable-pitch propeller
234:An emergency switch in Japan
34:Kill switch (disambiguation)
1417:Adee, Sally (May 1, 2008).
1329:"The Dangers of Treadmills"
342:the beginnings of their use
127:mechanism used to shut off
1891:
537:
480:
460:WannaCry ransomware attack
430:
405:
38:
31:
1851:
1550:
689:The emergency stop on an
299:A related concept is the
53:
656:Elevators and escalators
424:on some phones, such as
347:, up through the end of
1835:Vandal-resistant switch
1680:Magnetic proximity fuze
764:Emergency brake (train)
471:artificial intelligence
340:–powered aircraft from
144:operator with impaired
85:Varies, some mechanical
41:Emergency brake (train)
1780:Silicone rubber keypad
614:
511:
422:hardware kill switches
408:Smartphone kill switch
361:
359:(from the French term
235:
1840:Wireless light switch
814:The Los Angeles Times
730:solid rocket boosters
612:
584:. The emergency stop
505:
431:Further information:
336:Early aviators using
233:
1615:Electric switchboard
1398:(CBS). July 13, 2021
746:Internet kill switch
534:Nuclear power plants
528:Directive 2006/42/EC
498:Industrial machinery
246:in order to bring a
69:Mechanical component
874:The Washington Post
817:. February 5, 2015.
446:Brick (electronics)
253:passed a red signal
204:personal watercraft
146:executive functions
117:emergency power off
1585:Contact protection
1575:Centrifugal switch
1445:The New York Times
1334:The New York Times
1303:The New York Times
1272:The New York Times
1244:The New York Times
1216:The New York Times
1091:on April 17, 2013.
965:The New York Times
854:The New York Times
834:The New York Times
752:Blue light station
704:electronic warfare
615:
512:
236:
1862:
1861:
1845:Zero speed switch
1085:machinedesign.com
837:. April 24, 1994.
795:.com (Pittsburgh)
574:drilling machines
570:grinding machines
388:anti-theft system
301:dead man's switch
294:accelerator pedal
257:dead man's switch
192:freight elevators
176:dead man's switch
89:
88:
16:(Redirected from
1882:
1857:
1685:Magnetic starter
1675:Lightning switch
1625:Half-moon switch
1595:Crossover switch
1565:Battery isolator
1536:
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1099:
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1087:. Archived from
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1050:
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1021:
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364:
58:
46:
21:
1890:
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1883:
1881:
1880:
1879:
1875:Safety switches
1865:
1864:
1863:
1858:
1849:
1825:Transfer switch
1805:Strowger switch
1800:Stepping switch
1795:Staircase timer
1750:Railroad switch
1710:Nintendo Switch
1690:Magnetic switch
1665:Latching switch
1640:Inertial switch
1635:Infinite switch
1590:Crossbar switch
1555:Analogue switch
1546:
1540:
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867:
866:
862:
857:. June 9, 2014.
847:
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826:
822:
807:
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802:
785:
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776:
767:
742:
723:
700:
687:
685:Amusement rides
675:
658:
650:pumping station
631:
607:
597:in the US, and
590:risk assessment
586:safety function
566:sawing machines
558:
542:
536:
500:
485:
479:
458:such as in the
440:
435:
410:
404:
384:
334:
228:
208:outboard motors
97:emergency brake
61:
44:
37:
28:
23:
22:
15:
12:
11:
5:
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1757:
1752:
1747:
1742:
1737:
1732:
1730:Placebo button
1727:
1722:
1717:
1715:Optical switch
1712:
1707:
1702:
1697:
1695:Mercury switch
1692:
1687:
1682:
1677:
1672:
1667:
1662:
1657:
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1637:
1632:
1627:
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1607:
1602:
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1587:
1582:
1580:Company switch
1577:
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1175:
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1120:
1094:
1071:
1060:. June 8, 2016
1045:
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691:amusement ride
686:
683:
674:
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657:
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635:gasoline pumps
630:
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603:
557:
554:
538:Main article:
535:
532:
524:European Union
499:
496:
478:
475:
451:
450:
439:
436:
406:Main article:
403:
400:
383:
380:
333:
330:
325:monster trucks
290:steering wheel
261:watchdog timer
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562:machine tools
556:Machine tools
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19:
1820:Touch switch
1775:Sense switch
1725:Piezo switch
1670:Light switch
1660:Limit switch
1655:Knife switch
1644:
1620:Float switch
1500:
1490:
1481:The Guardian
1479:
1469:
1457:. Retrieved
1443:
1433:
1424:
1412:
1400:. Retrieved
1386:
1378:
1374:
1365:
1351:
1338:. Retrieved
1332:
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1301:
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1270:
1260:
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1242:
1232:
1220:. Retrieved
1214:
1204:
1192:. Retrieved
1188:csagroup.org
1187:
1178:
1166:. Retrieved
1161:
1152:
1140:. Retrieved
1135:
1111:. Retrieved
1106:
1097:
1089:the original
1084:
1074:
1062:. Retrieved
1057:
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1025:
1013:. Retrieved
1002:
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980:
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964:
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938:
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912:
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726:Range safety
724:
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632:
623:
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559:
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521:
513:
486:
464:
452:
443:
421:
411:
385:
376:carburettors
335:
322:
298:
284:
272:countershaft
265:
237:
212:snow blowers
188:tower cranes
173:
150:
120:
116:
112:
108:
104:
100:
96:
92:
90:
29:
1815:Time switch
1765:Sail switch
1755:Reed switch
1745:Push-button
1740:Push switch
1735:Pull switch
1720:Photoswitch
1645:Kill switch
1610:Dry contact
1340:January 22,
793:BizJournals
758:Battleshort
721:Spaceflight
601:in Canada.
414:smartphones
402:Smartphones
349:World War I
313:life jacket
220:snowmobiles
216:motorcycles
196:lawn mowers
184:locomotives
93:kill switch
49:Kill switch
18:Molly-guard
1810:Thermostat
1785:Softswitch
1770:Sea switch
1650:Key switch
1630:Humidistat
1605:DIP switch
1570:Cam switch
1402:January 4,
1309:January 4,
1278:January 4,
1250:January 3,
1222:January 3,
1034:. CNNMoney
1011:. CNNMoney
988:. NBC News
774:References
710:John Deere
678:Treadmills
666:Escalators
481:See also:
418:California
396:smartphone
382:Anti-theft
276:fuel pumps
161:mollyguard
1790:Spark gap
1454:0362-4331
1194:April 14,
1168:April 14,
1142:April 14,
1113:April 14,
1064:April 21,
913:SlashGear
894:TuxPhones
661:Elevators
646:chemicals
643:flammable
639:explosive
550:backronym
517:fail-safe
494:in 2016.
473:systems.
444:See also
433:Kill Pill
426:PinePhone
392:bait cars
374:in their
309:jetskiers
266:In large
180:fail-safe
133:emergency
129:machinery
1869:Category
1600:Cryotron
1459:July 13,
1162:ansi.org
1058:BBC News
740:See also
438:Software
372:throttle
367:magnetos
353:ignition
318:flywheel
274:for the
240:railways
226:Vehicles
200:tractors
142:panicked
123:), is a
74:Industry
1396:WWAYTV3
1136:iso.org
1107:iso.org
1038:May 14,
1015:May 14,
992:May 14,
970:May 14,
944:May 10,
939:PCWorld
918:May 10,
732:in the
522:In the
456:malware
345:in 1908
305:boaters
153:plastic
82:Powered
1543:Switch
1452:
582:lathes
488:Google
467:robots
362:coupez
286:NASCAR
244:brakes
165:injury
137:switch
131:in an
125:safety
115:), or
105:E-stop
1545:types
546:SCRAM
540:Scram
508:reset
477:In AI
268:ships
248:train
169:death
157:glass
1461:2017
1450:ISSN
1404:2023
1342:2009
1311:2023
1280:2023
1252:2022
1224:2022
1196:2022
1170:2022
1144:2022
1115:2022
1066:2023
1040:2017
1017:2017
994:2017
972:2017
946:2017
920:2017
595:ANSI
580:and
515:For
307:and
218:and
1502:CNN
673:Gym
641:or
599:CSA
462:.
412:In
238:On
167:or
121:EPO
113:EMO
107:),
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492:AI
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