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  2. Weird sounds and smells in your home you should never ignore

    www.aol.com/weird-sounds-smells-home-never...

    The plastics, polymer and rubbers used to insulate appliances, fixtures and electrical outlets can emit a fishy smell when they heat up. If your house suddenly smells like low tide, start sniffing ...

  3. Phantosmia - Wikipedia

    en.wikipedia.org/wiki/Phantosmia

    Phantosmia (phantom smell), also called an olfactory hallucination or a phantom odor, [1] is smelling an odor that is not actually there. This is intrinsically suspicious as the formal evaluation and detection of relatively low levels of odour particles is itself a very tricky task in air epistemology.

  4. 'Unusual' smell prompts school closure

    www.aol.com/unusual-smell-prompts-school-closure...

    Contractors later discovered a seized motor on one of the school's convector heaters causing a burning smell to permeate the building. The school said there had been no risk of fire as the heater ...

  5. Underfloor air distribution - Wikipedia

    en.wikipedia.org/wiki/Underfloor_air_distribution

    UFAD systems use an underfloor supply plenum located between the structural concrete slab and a raised floor system to supply conditioned air to supply outlets (usually floor diffusers), located at or near floor level within the occupied space. Air returns from the room at ceiling level or the maximum allowable height above the occupied zone.

  6. Sulfate attack in concrete and mortar - Wikipedia

    en.wikipedia.org/wiki/Sulfate_attack_in_concrete...

    Sulfate attack typically happens to ground floor slabs in contact with soils containing a source of sulfates. [2] Sulfates dissolved by ground moisture migrate into the concrete of the slab where they react with different mineral phases of the hardened cement paste. The attack arises from soils containing SO 2−

  7. Professional Cleaners Swear You NEVER Clean These Five Filthy ...

    www.aol.com/lifestyle/professional-cleaners...

    "I keep packs of them around for dust, toothpaste smears, windows, sinks, countertops—basically any surface that is sticky, dusty, or crumby," she says. "So basically all of them." Grace Cary ...

  8. It's Time to Ditch These 10 Cleaning Tips From Grandma - AOL

    www.aol.com/lifestyle/time-ditch-10-cleaning...

    Soaking your shower head in vinegar overnight. Grandma isn't completely wrong here. However, we'd like to offer a modification to the process of cleaning your shower head with vinegar.

  9. Electrical burn - Wikipedia

    en.wikipedia.org/wiki/Electrical_burn

    Electrical burn on hand. An electrical burn is a burn that results from electricity passing through the body causing rapid injury. Approximately 1000 deaths per year due to electrical injuries are reported in the United States, with a mortality rate of 3-5%.