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  2. Halls (cough drop) - Wikipedia

    en.wikipedia.org/wiki/Halls_(cough_drop)

    Halls is a British brand of a mentholated cough drop [a] owned by Mondelēz International since 2015. In 2016, it was one of the biggest selling brands of over-the-counter medications sold in Great Britain, with sales of £32.5 million. [1] The Hall Brothers company was founded in 1893 by Thomas Harold Hall and Norman Smith Hall.

  3. Hall effect sensor - Wikipedia

    en.wikipedia.org/wiki/Hall_effect_sensor

    Hall effect devices produce a very low signal level and thus require amplification. The vacuum tube amplifier technology available in the first half of the 20th century was too large, expensive, and power-consuming for everyday Hall effect sensor applications, which were limited to laboratory instruments.

  4. Hall-effect thruster - Wikipedia

    en.wikipedia.org/wiki/Hall-effect_thruster

    The SPT design was largely the work of A. I. Morozov. [7] [8] The first SPT to operate in space, an SPT-50 aboard a Soviet Meteor spacecraft, was launched December 1971. They were mainly used for satellite stabilization in north–south and in east–west directions.

  5. Do anti-snoring devices actually work? - AOL

    www.aol.com/news/anti-snoring-devices-actually...

    The best anti-snoring devices are Snore Rx mouthguards, Breathe Right nasal strips, Amazon wedge pillows and the Smart Nora. What’s the difference between snoring and sleep apnea?

  6. Does Fasting Actually Work? The Strange Results of ... - AOL

    www.aol.com/does-fasting-actually-strange...

    The salts get right to work, and you spend the next four hours next to the bathroom. Rest assured: When you think you’re ready to head outside and enjoy the day, you’re not.

  7. Do Air Purifiers Actually Work? Here's What Experts Say - AOL

    www.aol.com/air-purifiers-actually-heres-experts...

    Do air purifiers really work for dust, smoke, mold, allergies and more? Experts explain how air purifiers function, what they filter and if they're recommended.

  8. Hiring hall - Wikipedia

    en.wikipedia.org/wiki/Hiring_hall

    Seamen in hiring hall, National Maritime Union banner, New York City, December 1941. Photograph: Arthur Rothstein. In organized labor, a hiring hall is an organization, usually under the auspices of a labor union, which has the responsibility of furnishing new recruits for employers who have a collective bargaining agreement with the union.

  9. Tamron Hall's Self-Care Secrets Include Masks, Meditation ...

    www.aol.com/lifestyle/tamron-halls-self-care...

    Hall's dreams ultimately became reality, as she later held a 10-year position on the beloved morning show, making her the first Black woman to ever host an hour of TODAY.She eventually made the ...