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World's longest over-water bridge, the 41.58km-long Qingdao Haiwan Bridge, opens to traffic in China's Qingdao on the last day of June. The bridge connects the city of Qingdao with Hongdao in Chengyang District along with the suburban Huangdao District over the waters with the northern a part of Jiaozhou Bay in Shandong Province.
1. Safety reversal: All the garage door opener furnished with safety reversal feature. The door has two sensors situated six inches across the floor level, either side in the door. When any object like pet, child or anything else, speak to light beam created by sensor even though the door is closing, the entranceway stops and reverses. If your opener have not this safety reversal feature, change it out as quickly as possible.
Automatic filter is to filter industry widely used a set of equipment, to overcome the traditional filtering products, volume is small, vulnerable to contamination jams, filtering, part of the need to remove the cleaning and unable to monitor the state of the filter and so on shortcomings, with the raw water filter and automatic filter for the discharge of pollutants by automatic cleaning function.
Reverse flushing can be done automatically: the backwash is done by hydraulic valve opening and hydraulic cylinder pistons, which are controlled by the backwash controller. The anti-flushing controller can accurately control the hydraulic valve and hydraulic cylinder according to the differential pressure value from the filter inlet and outlet, and the power of the controller comes from the pressure of the line itself.
New Car Buying Tips--


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