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  2. Carbon monoxide poisoning - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_poisoning

    This method was also used in the gas chambers of several death camps such as Treblinka, Sobibor, and Belzec. Gassing with carbon monoxide started in Action T4. The gas was supplied by IG Farben in pressurized cylinders and fed by tubes into the gas chambers built at various mental hospitals, such as Hartheim Euthanasia Centre.

  3. String trimmer - Wikipedia

    en.wikipedia.org/wiki/String_trimmer

    A string trimmer, also known by the portmanteau strimmer and the trademarks Weedwacker, Weed Eater and Whipper Snipper, [1] [a] is a garden power tool for cutting grass, small weeds, and groundcover. It uses a whirling monofilament line instead of a blade, which protrudes from a rotating spindle at the end of a long shaft topped by a gasoline ...

  4. Nitrogen dioxide poisoning - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_dioxide_poisoning

    Nitrogen dioxide poisoning is the illness resulting from the toxic effect of nitrogen dioxide (NO 2). It usually occurs after the inhalation of the gas beyond the threshold limit value. [1] Nitrogen dioxide is reddish-brown with a very harsh smell at high concentrations, at lower concentrations it is colorless but may still have a harsh odour.

  5. Common weed can cause painful rash - AOL

    www.aol.com/lifestyle/2016-06-30-common-weed-can...

    This plant may look like wildflowers, but it can cause painful rash and blistering. A video of an Iowa resident with the rash explains why.

  6. Stihl - Wikipedia

    en.wikipedia.org/wiki/Stihl

    Andreas Stihl designed and hand built his first chainsaw in 1926. [5] The saw was electrically powered, and weighed about 48 kg (106 lb). [6] Stihl grew slowly initially, as the chainsaws came to the market about the same time as the Great Depression; with manpower cheap, and old two-man saws proven, there was no need for power saws.

  7. Heat of combustion - Wikipedia

    en.wikipedia.org/wiki/Heat_of_combustion

    By convention, the (higher) heat of combustion is defined to be the heat released for the complete combustion of a compound in its standard state to form stable products in their standard states: hydrogen is converted to water (in its liquid state), carbon is converted to carbon dioxide gas, and nitrogen is converted to nitrogen gas.

  8. George Ballas - Wikipedia

    en.wikipedia.org/wiki/George_Ballas

    Ballas got the idea for the trimmer while driving through an automatic car wash, where the rotating brushes gave him an idea. Using a tin can laced with fishing line and an edge trimmer, he tried out his idea, which worked. After some refinements, he shopped it around to several tool makers, who all rejected his invention.

  9. Rope start - Wikipedia

    en.wikipedia.org/wiki/Rope_start

    A rope start device housed in a Nose bullet of a Junkers Jumo 004 turbojet. Rope start (also called ripcord [ citation needed ] , pull start [ citation needed ] , or rewind start [ citation needed ] ) is a method of starting an internal combustion engine , usually on small machines, such as lawn mowers , chainsaws , grass trimmers , ultralight ...