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| | Lava Lamp - Background, Design, Raw Materials, The Manufacturing, Qucality Control |
 | | A lava lamp is a decorative tube-shaped light fixture containing a colored, oily fluid that flows up and down throughout the lamp chamber in a manner reminiscent of molten lava. |
 | | Credit for the creation of the lava lamp is given to English engineer Craven Walker who, in the late 1940s, saw a prototype of the lamp in a pub in Hampshire, England. |
 | | The exact composition used in lava lamps is a proprietary secret, but in general terms, one fluid is water based and the other is oil based. |
| www.madehow.com /Volume-4/Lava-Lamp.html (1767 words) |
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