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  2. List of UN numbers 3401 to 3500 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_3401_to...

    Lithium-ion batteries (including lithium-ion polymer batteries) UN 3481: 9: Lithium-ion batteries contained in equipment or lithium-ion batteries packed with equipment (including lithium-ion polymer batteries) UN 3482: 4.3: Alkali metal dispersion, flammable or alkaline earth metal dispersion, flammable UN 3483: 6.1: Motor fuel anti-knock ...

  3. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    These gas detectors are usually battery operated. They transmit warnings via audible and visible signals, such as alarms and flashing lights, when dangerous levels of gas vapors are detected. Fixed type gas detectors may be used for detection of one or more gas types.

  4. Environmental impacts of lithium-ion batteries - Wikipedia

    en.wikipedia.org/wiki/Environmental_impacts_of...

    Tonnes of lithium and income generated from Australian lithium mining and exportation over the recent years. While lithium-ion batteries can be used as a part of a sustainable solution, shifting all fossil fuel-powered devices to lithium-based batteries might not be the Earth's best option.

  5. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3. Their acute inhalation toxicity corresponds to those vapors or gases having LC 50 values greater than 1,000 ppm but less than or equal to 3,000 ppm ...

  6. Lithium metal battery - Wikipedia

    en.wikipedia.org/wiki/Lithium_metal_battery

    Lithium batteries also prove valuable in oceanographic applications. While lithium battery packs are considerably more expensive than standard oceanographic packs, they hold up to three times the capacity of alkaline packs. The high cost of servicing remote oceanographic instrumentation (usually by ships) often justifies this higher cost.

  7. Ukrainian mayor laid to rest after death in Russian captivity

    www.aol.com/news/ukrainian-mayor-laid-rest-death...

    As Russian troops approached Dniprorudne in their February 2022 invasion of Ukraine, the city's long-term mayor Yevhen Matvieiev could have fled to safety. Instead, he stayed behind to coordinate ...

  8. Photoionization detector - Wikipedia

    en.wikipedia.org/wiki/Photoionization_detector

    The photoionization detector is an efficient and inexpensive detector for many gas and vapor analytes. PIDs produce instantaneous readings, operate continuously, and are commonly used as detectors for gas chromatography or as hand-held portable instruments. Hand-held, battery-operated versions are widely used in military, industrial, and ...

  9. It's eggnog season. But what's actually in this popular ... - AOL

    www.aol.com/eggnog-season-whats-actually-popular...

    Liquor is often added to that base, and it's usually consumed around the holidays, not as a year-round beverage. ("It is a lot of dairy," Dunne adds.) ("It is a lot of dairy," Dunne adds.)

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