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2. Brake cleaner - Wikipedia

   en.wikipedia.org/wiki/Brake_cleaner

   Non-chlorinated brake cleaners use hydrocarbons as a main component; it will either be a low-boiling aliphatic compound or higher-boiling hydrocarbon mixture. Aromatics like benzene, toluene or xylene may also be used. [6] The hydrocarbons used are sometimes made by hydrogenation from naphtha. The lipophilic liquids dissolve fat-soluble ...

3. Tetrachloroethylene - Wikipedia

   en.wikipedia.org/wiki/Tetrachloroethylene

   It is a non-flammable, stable, colorless and heavy liquid widely used for dry cleaning of fabrics. It also has its uses as an effective automotive brake cleaner . It has a mildly sweet, sharp odor, detectable by most people at a concentration of 50 ppm.

4. Safety data sheet - Wikipedia

   en.wikipedia.org/wiki/Safety_data_sheet

   An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.

5. Trichloroethylene - Wikipedia

   en.wikipedia.org/wiki/Trichloroethylene

   First, ethylene is chlorinated over a ferric chloride catalyst to produce 1,2-dichloroethane: CH 2 =CH 2 + Cl 2 → ClCH 2 CH 2 Cl. When heated to around 400 °C with additional chlorine, 1,2-dichloroethane is converted to trichloroethylene: ClCH 2 CH 2 Cl + 2 Cl 2 → ClCH=CCl 2 + 3 HCl. This reaction can be catalyzed by a variety of substances.

6. Twin and triplet births are on the decline. Here's how it ...

   www.aol.com/twin-triplet-births-decline-heres...

   Triplet and higher multiple births nosedive. In 2004, of the people younger than 35 who gave birth with the help of IVF, 32.7% delivered twins, and 4.9% delivered triplets, according to doctors at ...

7. Homelessness rates jumped by double digits in 2024 as ...

   www.aol.com/homelessness-rates-jumped-double...

   Two people experiencing homelessness, Tonya and Troy, vacate private property being used as a homeless encampment with the assistance of New Philadelphia Police officers on April 5, 2024, in New ...