https://www.openlearning.com/u..../tilleykock-smf091/b
What Is the Key Truck? Locks A lock is a device for securing a door, gate or lid to block unwanted entry. Its operation is controlled with a key or dial. Locks are available in a variety of styles and sizes and are suitable for many different settings. They can also be adapted to fit specific requirements. Materials used in locks are assessed for their durability, aesthetics, and function. Some are made from stainless steel and others are made from copper. is used to
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