Since the beginning of winter, many theme parks in Japan have begun to install a large number of holiday lamps to attract tourists. Due to the low cost and high efficiency of LED lighting and the effects of Japanese scientists winning the Nobel Prize in Physics this year, many theme parks A large number of LED lighting fixtures have been adopted.
Among them, the Huis Ten Bosch theme park in Sasebo City, Nagasaki Prefecture has illuminated 11 million lamps, an increase of 1 million baht compared to last year. The canals in the park are also illuminated by lights from the bottom of the river. The Yomiuriland Playground in Oda Castle, Tokyo, has illuminated 3 million lamps, an increase of 1 million baht. The number of lamps lit by the Seibuen Yuenchi Playground in Tosho, Saitama Prefecture has also increased from 800,000 to 3 million. The Ashikaga Flower Park in Ashikaga, Tochigi Prefecture adds a special effect to the lighting, which can be seen from different angles.
Gate Valves are called "full-flow" valves; there's a direct unobstructed path for flow right through the middle of the valve. A wedge-shaped brass gate is lowered into a machined slot to close the valve. They should either be completely open or completely closed. Water flowing through a partially open gate valve wears away the metal and causes the valve to fail over time.
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