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A high-pressure sodium street light in Toronto A high-pressure sodium-vapor lamp An HPS lamp that isn't entirely off. A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps exist: low pressure and high pressure.
The South Bay Salt Works, a Californian saltern, with salt ponds.. A saltern is an area or installation for making salt.Salterns include modern salt-making works (saltworks), as well as hypersaline waters that usually contain high concentrations of halophilic microorganisms, primarily haloarchaea but also other halophiles including algae and bacteria.
Salt from Khewra mine is also used to make decorative items like lamps, vases, ashtrays and statues, [37] which are exported to the United States, India and many European countries. [35] [38] The use of rock salt to make artistic and decorative items started during the Mughal era, when many craftsman made tableware and decorations from it. [39]
Putting a small amount of salt in your water can add up and cause your salt intake to be too high. High sodium levels can lead to health issues. If you’re looking into weight loss, putting salt ...
GravityLight was a gravity-powered lamp manufactured until 2019. It was designed by the company Deciwatt for use in developing or third-world nations, as a replacement for kerosene lamps. It uses a bag filled with rocks or earth, attached to a cord, which slowly descends similar to the weight drive in a cuckoo clock. This action was claimed to ...
It now talks about salt lamps, but smacks of quackery, especially the apology line in the first section, "Lack of evidence does not mean evidence is lacking." Yeah, it kind of does. If there is some evidence for it, whip it out.
Image credits: decayingfoundations #2. Don’t work hard. Work at the pace of your co-workers. The harder you work, the more that’s expected of you for the same pay.
Modern flame safety lamp used in mines, manufactured by Koehler. A safety lamp is any of several types of lamp that provides illumination in places such as coal mines where the air may carry coal dust or a build-up of flammable gases, which may explode if ignited, possibly by an electric spark. Until the development of effective electric lamps ...