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Spring helical extensions find extensive use in industries due to their unique characteristicsspring helical extension. They are often used in suspension systems, where they absorb shock and vibration, providing a smooth ride. In door locks, they assist in the opening and closing mechanism. Even in everyday items like tape measures, the helical spring ensures smooth retraction.

The primary function of wall ties is to transfer lateral loads, such as wind pressure, from one leaf of the wall to the other, maintaining the overall stability of the structure. They also help distribute the load evenly, preventing differential movement that could lead to cracks or even collapse They also help distribute the load evenly, preventing differential movement that could lead to cracks or even collapse They also help distribute the load evenly, preventing differential movement that could lead to cracks or even collapse They also help distribute the load evenly, preventing differential movement that could lead to cracks or even collapsewall ties for cavity walls. In addition, they contribute to the fire resistance of cavity walls by preventing the spread of flames through the cavity.