Lapping is a precise machining operation that employs abrasives to achieve a smooth, flat surface on the sealing parts of a gate valve. The process usually involves several steps
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Moreover, in recent years, bollards have gained attention for their role in urban security. With the increasing concern over vehicle-related terrorist attacks, many cities are installing reinforced or anti-ram bollards in high-traffic areas to create protective buffers. Such bollards are designed to withstand significant impact, effectively preventing unauthorized vehicles from harming pedestrians and structures.