Hookah also known as waterpipe, narghile, argileh, shisha, hubble-bubble, goza, borry, qaylan, chica, and mada'a (Fig. 1) is a tobacco pipe with a long yet flexible tube that draws the smoke through water contained in a bowl.
A hookah is a type of water pipe that was crafted to be used for smoking shisha tobacco. Hot charcoal is used to heat the tobacco in the bowl
A hookahis a single- or multi-stemmed instrument for heating or vaporizing and then smoking either tobacco, flavored tobacco (often muʽassel), or sometimes cannabis, hashish, and opium.[3] The smoke is passed through a water basin-often glass-based-before inhalation
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At present, the street lighting renovation of the two roads, Huixing, Longxi and other districts and Tongjing Town and four industrial parks has basically completed the commissioning of 19,000 new LED street lights. According to reports, most of the original street lamps in this area are high-pressure sodium lamps, which not only consume large amounts of electricity, but also are not as good as LED street lamps in terms of luminous efficiency, uniformity of illumination and service life. 
19,000 ç› LED street lights in Chongqing, Chongqing
In order to improve the quality of urban nighttime lighting while saving energy and reducing emissions, Chongqing Yubei District Municipal Administration has started the renovation of LED street lights in the whole district in the second half of last year.