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Hero teacher speaks

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Hero teacher speaks

The Indiana middle school science teacher being hailed a hero for stopping a gunman on Friday, spoke about what happened this morning....

已浏览 9239 次2018年5月28日

Timer Uses

555 Timer - 1. Introduction to 555 Timers

555 Timer - 1. Introduction to 555 Timers

circuitbread.com

2022年4月6日

TickiT Dual Power Timers - Set of 5 - Red, Yellow, Green, Blue, White - Solar and Battery Powered Digital Timers - Includes Stand and Wall Mount Slot

TickiT Dual Power Timers - Set of 5 - Red, Yellow, Green, Blue, White - Solar and Battery Powered Digital Timers - Includes Stand and Wall Mount Slot

已浏览 1 次2018年9月13日

LED Light Remote Explained

LED Light Remote Explained

已浏览 15.1万次2020年12月9日

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14 NEWS - WATCH LIVE: President Trump delivers remarks on...

14 NEWS - WATCH LIVE: President Trump delivers remarks on...

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14 NEWS - This morning we're saying goodbye to Erin Meyer...

14 NEWS - This morning we're saying goodbye to Erin Meyer...

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已浏览 3.6万次2017年6月30日

13 Minute Timer

13 Minute Timer

YouTubeOnline Alarm Kur

已浏览 17.8万次2019年8月15日

Timer Sound Effects

30 Second Timer with Sound Effect

30 Second Timer with Sound Effect

TikTokcool_timer

已浏览 49.9万次2022年7月2日

Timer with Voice 💋 Interval Timer 30 sec (No Breaks) Stopwatch 60 minute / 1 hour

Timer with Voice 💋 Interval Timer 30 sec (No Breaks) Stopwatch 60 minute / 1 hour

YouTubeTimer Clock Alarm

已浏览 6891 次2022年6月30日

Digital timer sound

Digital timer sound

YouTubeQuestive

已浏览 16.9万次2016年2月22日