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  2. Mosquito coil - Wikipedia

    en.wikipedia.org/wiki/Mosquito_coil

    Mosquito coil Mosquito coil. A mosquito coil is a mosquito-repelling incense, usually made into a spiral, and typically made using dried paste of pyrethrum powder. The coil is usually held at the center of the spiral, suspending it in the air, or wedged by two pieces of fireproof netting to allow continuous smoldering.

  3. List of How It's Made episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_How_It's_Made_episodes

    Plastic model kits: Light microscopes: February 24, 2019 32-05 408 Hand-forged hammers Gummy vitamins: Boat trailers: Tea lights & jar candles 32-06 409 Guitar pickups: Heated furniture Water well cylinders Non-conductive tools March 3, 2019 32-07 410 Innerspring mattresses: Stand-up paddleboards: Vacuum cleaners 32-08 411 Belts: 3D metal printers

  4. Insect repellent - Wikipedia

    en.wikipedia.org/wiki/Insect_repellent

    A mosquito on a bottle of "natural" insect repellent Several natural ingredients are certified by the United States Environmental Protection Agency as insect repellents, namely catnip oil, oil of lemon eucalyptus (OLE) (and its active ingredient p-Menthane-3,8-diol ), oil of citronella , and 2-Undecanone , which is usually produced ...

  5. Mosquito control - Wikipedia

    en.wikipedia.org/wiki/Mosquito_control

    Mosquito control is a vital public-health practice throughout the world and especially in the tropics because mosquitoes spread many diseases, such as malaria and the Zika virus. Mosquito-control operations are targeted to multiple problems: Nuisance mosquitoes bother people around homes or in parks and recreational areas;

  6. Fly-killing device - Wikipedia

    en.wikipedia.org/wiki/Fly-killing_device

    Three fly bottles from Central Europe, beginning of the 20th century. A fly bottle or glass flytrap is a passive trap for flying insects. In the Far East, it is a large bottle of clear glass with a black metal top with a hole in the middle. An odorous bait, such as pieces of meat, is placed in the bottom of the bottle.

  7. Killing jar - Wikipedia

    en.wikipedia.org/wiki/Killing_jar

    It does kill rapidly, and the cyanide charge will last a long time. A few drops of acetic acid will increase the cyanide gas production. If the jar is not used for long periods it may dry out and produce little gas; a few drops of water will help get the process going again. [2] The potassium cyanide slowly decomposes, releasing hydrogen cyanide.

  8. Talk:Mosquito coil - Wikipedia

    en.wikipedia.org/wiki/Talk:Mosquito_coil

    how can we make mosquito coil environmental friendly and safe in terms of its effect in our respiratory system? — Preceding unsigned comment added by 112.202.133.106 (talk • contribs) 2 July 2011, 11:59 (UTC)

  9. Evaporator - Wikipedia

    en.wikipedia.org/wiki/Evaporator

    Because the cooling water, which is chemically treated fresh water, is at a temperature of 70–80 °C (158–176 °F), it would not be possible to flash off any water vapor unless the pressure in the heat exchanger vessel is dropped. A brine-air ejector venturi pump is then used to create a vacuum inside the vessel, achieving partial evaporation.