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A couch unfolded into a bed. A sofa bed or sofa-bed (in the US often called a sofabed, hide-a-bed, bed-couch, sleeper-sofa, or pullout sofa) is a multifunctional furniture typically consisting of a sofa or couch that, underneath its seating cushions, hides a metal frame and thin mattress that can be unfolded or opened up to make a bed.
During 1999, the United States Environmental Protection Agency (EPA) began an investigation into the class of chemicals used in Scotchgard, after receiving information on the global distribution and toxicity of perfluorooctane sulfonate (PFOS), [7] the "key ingredient" [5] of Scotchgard.
Fabric. Fabric treatments are processes that make fabric softer, or water resistant, or enhance dye penetration after they are woven. [1] Fabric treatments get applied when the textile itself cannot add other properties. [2] Treatments include, scrim, foam lamination, fabric protector or stain repellent, anti microbial and flame retardant. [2]
High ozone shock treatment or ozone blasting is a process for removing unwanted odour, and killing mold, vermin and microorganisms in commercial and residential buildings. . The treatment is less expensive than some alternative methods of sterilizing indoor spaces - cleaning or removal of building material, or in extreme cases the abandonment of sick buildin
Cracks can be formed in many different elastomers by ozone attack, and the characteristic form of attack of vulnerable rubbers is known as ozone cracking. The problem was formerly very common, especially in tires , but is now rarely seen in those products owing to preventive measures.
Ozone in the ozone layer filters out sunlight wavelengths from about 200 nm UV rays to 315 nm, with ozone peak absorption at about 250 nm. [55] This ozone UV absorption is important to life, since it extends the absorption of UV by ordinary oxygen and nitrogen in air (which absorb all wavelengths < 200 nm) through the lower UV-C (200–280 nm ...
The simplest form of a mattress protector is a lightly quilted fitted sheet. It provides minimal protection against liquids and little or no protection from dust mite allergens. [2] In addition to conventional natural fabrics, new forms of synthetic protector or topper have appeared over the years including memory foam and spacer fabrics. These ...
Policy experts have advocated for a closer linking of ozone protection and climate protection efforts. [30] [31] Ozone is a greenhouse gas, [32] and changes in its atmospheric abundance due to human activity have radiative forcing effects. Ozone absorbs both ultraviolet (UV) radiation from the sun and infrared radiation emitted from Earth's ...
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