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The purple martin ( Progne subis) is a passerine bird in the swallow family Hirundinidae. It is the largest swallow in North America. Despite its name, the purple martin is not truly purple. The dark blackish-blue feathers have an iridescent sheen caused by the diffraction of incident light [2] giving them a bright blue to navy blue or deep ...
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 4 as fluorite.
English hard rock band Deep Purple have released 22 studio albums, 43 live albums and 55 singles . Formed in early 1968 by Jon Lord, Ian Paice, Rod Evans, Ritchie Blackmore, and Nick Simper, Deep Purple released their debut album, Shades of Deep Purple, in July of that year. The band has taken on many new members over the years, and Ian Paice ...
Witness intimidation (2003) Akinwale Oluwafolajimi Oluwatope Arobieke (born 15 July 1961), commonly known as Purple Aki, is a British man known for his criminal convictions for harassment. He has been convicted for touching and measuring the muscles of young men and asking them to squat his body weight. These crimes were originally ruled as ...
The word garnet comes from the 14th-century Middle English word gernet, meaning 'dark red'. It is borrowed from Old French grenate from Latin granatus, from granum ('grain, seed'). [3] This is possibly a reference to mela granatum or even pomum granatum (' pomegranate ', [4] Punica granatum ), a plant whose fruits contain abundant and vivid red ...
Purple-K. Purple-K, also known as PKP, is a dry-chemical fire suppression agent used in some dry chemical fire extinguishers. [1] It is the second most effective dry chemical in fighting class B (flammable liquid) fires after Monnex (potassium allophanate), and can be used against some energized electrical equipment fires (USA class C fires). [2]
Silica gel in a sachet or porous packet. A desiccant is a hygroscopic substance that is used to induce or sustain a state of dryness ( desiccation) in its vicinity; it is the opposite of a humectant. Commonly encountered pre-packaged desiccants are solids that absorb water.
Soda lime canister used in anaesthetic machines to act as a carbon dioxide scrubber. Soda lime, a mixture of sodium hydroxide (NaOH) and calcium oxide (CaO), is used in granular form within recirculating breathing environments like general anesthesia and its breathing circuit, submarines, rebreathers, and hyperbaric chambers and underwater ...